Base 28 Repunits
Table
Viewing: 0 – 99 next >>
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
0: | \[{28^{0}-1\over27}\] | 0 |
1: | \[{28^{1}-1\over27}\] | 1 |
2: | \[{28^{2}-1\over27}\] | 29 |
3: | \[{28^{3}-1\over27}\] | 3 × 271 |
4: | \[{28^{4}-1\over27}\] | 5 × 29 × 157 |
5: | \[{28^{5}-1\over27}\] | 637421 |
6: | \[{28^{6}-1\over27}\] | 3 × 29 × 271 × 757 |
7: | \[{28^{7}-1\over27}\] | 113 × 4422461 |
8: | \[{28^{8}-1\over27}\] | 5 × 29 × 157 × 614657 |
9: | \[{28^{9}-1\over27}\] | 32 × 192 × 271 × 444979 |
10: | \[{28^{10}-1\over27}\] | 11 × 29 × 53951 × 637421 |
11: | \[{28^{11}-1\over27}\] | 6077039 × 50545507 |
12: | \[{28^{12}-1\over27}\] | 3 × 5 × 13 × 29 × 157 × 271 × 757 × 47221 |
13: | \[{28^{13}-1\over27}\] | 53 × 4543753614603737<16> |
14: | \[{28^{14}-1\over27}\] | 29 × 113 × 13007 × 35771 × 4422461 |
15: | \[{28^{15}-1\over27}\] | 3 × 31 × 271 × 15991 × 637421 × 734941 |
16: | \[{28^{16}-1\over27}\] | 5 × 17 × 29 × 157 × 614657 × 22223646961<11> |
17: | \[{28^{17}-1\over27}\] | 148020807352107352204781<24> |
18: | \[{28^{18}-1\over27}\] | 32 × 192 × 29 × 37 × 127 × 271 × 757 × 102547 × 444979 |
19: | \[{28^{19}-1\over27}\] | 21084187 × 5504044949138999959<19> |
20: | \[{28^{20}-1\over27}\] | 52 × 11 × 29 × 61 × 157 × 14561 × 53951 × 84961 × 637421 |
21: | \[{28^{21}-1\over27}\] | 3 × 113 × 271 × 4422461 × 223934956756993189<18> |
22: | \[{28^{22}-1\over27}\] | 232 × 29 × 6077039 × 50545507 × 540610746853<12> |
23: | \[{28^{23}-1\over27}\] | 47 × 1517655145813456319033978812579<31> |
24: | \[{28^{24}-1\over27}\] | 3 × 5 × 13 × 29 × 157 × 271 × 757 × 7321 × 47221 × 614657 × 51605161 |
25: | \[{28^{25}-1\over27}\] | 15101 × 106801 × 637421 × 6813064001<10> × 7984305701<10> |
26: | \[{28^{26}-1\over27}\] | 29 × 53 × 547 × 2237 × 114661 × 1598039 × 4543753614603737<16> |
27: | \[{28^{27}-1\over27}\] | 33 × 192 × 271 × 541 × 444979 × 68948693997660959163751<23> |
28: | \[{28^{28}-1\over27}\] | 5 × 29 × 113 × 157 × 281 × 13007 × 35771 × 749729 × 4422461 × 1100860153 |
29: | \[{28^{29}-1\over27}\] | 59 × 582595509837473004489665028935473297399<39> |
30: | \[{28^{30}-1\over27}\] | 3 × 11 × 29 × 31 × 271 × 757 × 4621 × 15991 × 53951 × 637421 × 734941 × 84673681 |
31: | \[{28^{31}-1\over27}\] | 10789 × 1675799 × 14307617 × 104175305182941687128096479<27> |
32: | \[{28^{32}-1\over27}\] | 5 × 17 × 29 × 97 × 157 × 614657 × 2012449 × 4338337 × 168542177 × 22223646961<11> |
33: | \[{28^{33}-1\over27}\] | 3 × 199 × 271 × 6077039 × 50545507 × 425141076149786955572181811<27> |
34: | \[{28^{34}-1\over27}\] | 29 × 239 × 613 × 2347 × 8807 × 45508138747<11> × 148020807352107352204781<24> |
35: | \[{28^{35}-1\over27}\] | 113 × 2521 × 206501 × 637421 × 4422461 × 99885743242098024883367081<26> |
36: | \[{28^{36}-1\over27}\] | 32 × 5 × 13 × 192 × 29 × 37 × 127 × 157 × 271 × 757 × 24481 × 47221 × 50221 × 102547 × 444979 × 188878213 |
37: | \[{28^{37}-1\over27}\] | 149 × 223 × 1481 × 20129 × 36129368689<11> × 362872981217703889717460874623<30> |
38: | \[{28^{38}-1\over27}\] | 29 × 21084187 × 5504044949138999959<19> × 108044981035496842464510517<27> |
39: | \[{28^{39}-1\over27}\] | 3 × 53 × 271 × 1483 × 1951 × 219386077 × 4543753614603737<16> × 81923931656777716741<20> |
40: | \[{28^{40}-1\over27}\] | 52 × 11 × 29 × 41 × 61 × 157 × 14561 × 29201 × 41641 × 53951 × 84961 × 614657 × 637421 × 2863024493281<13> |
41: | \[{28^{41}-1\over27}\] | 83 × 821 × 801469 × 32512427 × 4495294535482012470972518309284152114589<40> |
42: | \[{28^{42}-1\over27}\] | 3 × 29 × 43 × 113 × 271 × 631 × 757 × 2269 × 13007 × 29443 × 35771 × 132679 × 4422461 × 223934956756993189<18> |
43: | \[{28^{43}-1\over27}\] | 3613 × 60029 × 684217 × 105942074311<12> × 23321405465263<14> × 17068111104046291434149<23> |
44: | \[{28^{44}-1\over27}\] | 5 × 232 × 29 × 157 × 27017 × 135433 × 6077039 × 50545507 × 540610746853<12> × 23946685543873549601<20> |
45: | \[{28^{45}-1\over27}\] | 32 × 192 × 31 × 271 × 15991 × 444979 × 637421 × 734941 × 48403441 × 1114029602365666612314868561<28> |
46: | \[{28^{46}-1\over27}\] | 29 × 47 × 115152031 × 140668620541<12> × 4099849287367<13> × 1517655145813456319033978812579<31> |
47: | \[{28^{47}-1\over27}\] | 6299 × 24128861 × 21277176429749<14> × 3425165712672937943<19> × 347263946374443738653441<24> |
48: | \[{28^{48}-1\over27}\] | 3 × 5 × 13 × 17 × 29 × 157 × 193 × 271 × 757 × 7321 × 47221 × 59809 × 614657 × 33806737 × 51605161 × 365764369 × 22223646961<11> |
49: | \[{28^{49}-1\over27}\] | 113 × 197 × 2155609 × 4422461 × 319343666713<12> × 44498235948084746667439513476081194102813<41> |
50: | \[{28^{50}-1\over27}\] | 11 × 29 × 151 × 15101 × 53951 × 106801 × 637421 × 2606251 × 6813064001<10> × 7984305701<10> × 222929435014083414901<21> |
51: | \[{28^{51}-1\over27}\] | 3 × 103 × 271 × 57427 × 8061059901399457<16> × 148020807352107352204781<24> × 412037760199357579738273<24> |
52: | \[{28^{52}-1\over27}\] | 5 × 29 × 53 × 157 × 547 × 2237 × 114661 × 1598039 × 78296083533149<14> × 4543753614603737<16> × 687858517721621226917<21> |
53: | \[{28^{53}-1\over27}\] | 220187971 × 8418181933268901359893212846689066832649574728174313094689465758991<67> |
54: | \[{28^{54}-1\over27}\] | 33 × 192 × 29 × 37 × 109 × 127 × 163 × 271 × 541 × 757 × 102547 × 444979 × 2320484707 × 2714261904253<13> × 68948693997660959163751<23> |
55: | \[{28^{55}-1\over27}\] | 637421 × 6077039 × 50545507 × 16071033331<11> × 829366011211<12> × 94275090945167441<17> × 5906633396655970661<19> |
56: | \[{28^{56}-1\over27}\] | 5 × 29 × 113 × 157 × 281 × 449 × 13007 × 23633 × 35771 × 614657 × 749729 × 4422461 × 54034289 × 213827041 × 1100860153 × 439840060577<12> |
57: | \[{28^{57}-1\over27}\] | 3 × 271 × 457 × 90403 × 21084187 × 62830837877749<14> × 5504044949138999959<19> × 4652032620781659567810280156291<31> |
58: | \[{28^{58}-1\over27}\] | 292 × 59 × 40427 × 1074509 × 25404189355843522469778697943<29> × 582595509837473004489665028935473297399<39> |
59: | \[{28^{59}-1\over27}\] | 1063 × 87134177825869551823<20> × 9643579894368157824900039911930865360964315755820145323893317<61> |
60: | \[{28^{60}-1\over27}\] | 3 × 52 × 11 × 13 × 29 × 31 × 61 × 157 × 271 × 757 × 1861 × 4621 × 14561 × 15991 × 45541 × 47221 × 53951 × 84961 × 637421 × 734941 × 2449561 × 84673681 × 688406401 |
61: | \[{28^{61}-1\over27}\] | 584814157619<12> × 108152440326426913<18> × 11071894699054087656875578952698529117084924031399006144383<59> |
62: | \[{28^{62}-1\over27}\] | 29 × 1303 × 10789 × 1675799 × 14307617 × 68690971367<11> × 104175305182941687128096479<27> × 280321817417013527271954418037<30> |
63: | \[{28^{63}-1\over27}\] | 32 × 192 × 113 × 271 × 1009 × 444979 × 4422461 × 223934956756993189<18> × 154154940307497300453157<24> × 80504606285644335564853693<26> |
64: | \[{28^{64}-1\over27}\] | 5 × 17 × 29 × 97 × 157 × 614657 × 2012449 × 4338337 × 7734913 × 13430849 × 168542177 × 22223646961<11> × 2716827163186049<16> × 72183193582863809<17> |
65: | \[{28^{65}-1\over27}\] | 53 × 131 × 637421 × 72416371 × 4543753614603737<16> × 90216355836698261<17> × 3276407634171096216610291054196844397042681<43> |
66: | \[{28^{66}-1\over27}\] | 3 × 232 × 29 × 67 × 199 × 271 × 757 × 2377 × 365773 × 6077039 × 50545507 × 212170597 × 7351568071<10> × 540610746853<12> × 425141076149786955572181811<27> |
67: | \[{28^{67}-1\over27}\] | 39629149774235919086803410436533512071<38> × 8515488777545809574252900816572650580619264994750394645483<58> |
68: | \[{28^{68}-1\over27}\] | 5 × 29 × 137 × 157 × 239 × 613 × 2347 × 8807 × 33049 × 45508138747<11> × 148020807352107352204781<24> × 4493911532793397608107303677360753164689<40> |
69: | \[{28^{69}-1\over27}\] | 3 × 47 × 139 × 271 × 277 × 224727078564911869<18> × 1517655145813456319033978812579<31> × 527264972197836529557199851838274216840527<42> |
70: | \[{28^{70}-1\over27}\] | 11 × 29 × 71 × 113 × 211 × 2521 × 13007 × 35771 × 53951 × 59221 × 206501 × 637421 × 4422461 × 31384274881<11> × 2005875869991701<16> × 99885743242098024883367081<26> |
71: | \[{28^{71}-1\over27}\] | 25828494169<11> × 37313251966817<14> × 857600610882384989993501<24> × 250962707786649416977683047545011125829975942346091801<54> |
72: | \[{28^{72}-1\over27}\] | 32 × 5 × 13 × 192 × 29 × 37 × 73 × 127 × 157 × 271 × 757 × 7129 × 7321 × 24481 × 47221 × 50221 × 102547 × 444979 × 614657 × 51605161 × 188878213 × 343785529 × 301407243681066768937<21> |
73: | \[{28^{73}-1\over27}\] | 439 × 1924218827 × 1395719566812246425341583<25> × 33669332701243432328246627927<29> × 4096574600013882571943794643612275539257<40> |
74: | \[{28^{74}-1\over27}\] | 29 × 149 × 223 × 1481 × 20129 × 36129368689<11> × 1004690609843<13> × 362872981217703889717460874623<30> × 12034188740195053379860324023109474023287<41> |
75: | \[{28^{75}-1\over27}\] | 3 × 31 × 271 × 15101 × 15991 × 36901 × 106801 × 637421 × 734941 × 6813064001<10> × 7984305701<10> × 171813927594772108174052851<27> × 1214016885302580230773187551<28> |
76: | \[{28^{76}-1\over27}\] | 5 × 29 × 157 × 10653073 × 21084187 × 4295845129<10> × 47560093775549<14> × 5504044949138999959<19> × 5746048837796495176973<22> × 108044981035496842464510517<27> |
77: | \[{28^{77}-1\over27}\] | 113 × 4422461 × 6077039 × 50545507 × 15215787226333<14> × 8043246179584357573185817<25> × 5320614889323243834845114570091316426473321807889<49> |
78: | \[{28^{78}-1\over27}\] | 3 × 29 × 53 × 79 × 271 × 547 × 757 × 1483 × 1951 × 2237 × 114661 × 284467 × 1598039 × 219386077 × 4543753614603737<16> × 81923931656777716741<20> × 2485157691702736928051924257<28> |
79: | \[{28^{79}-1\over27}\] | 317 × 419483839 × 589313263529964782995329801507579750620293837153256673100250966378714860373275073567118363081027037391<102> |
80: | \[{28^{80}-1\over27}\] | 52 × 11 × 17 × 29 × 41 × 61 × 157 × 241 × 14561 × 15601 × 29201 × 41641 × 53951 × 84961 × 614657 × 637421 × 22223646961<11> × 2863024493281<13> × 4411542432420060881<19> × 1228279101647209944401<22> |
81: | \[{28^{81}-1\over27}\] | 34 × 192 × 271 × 541 × 444979 × 68948693997660959163751<23> × 467102764647624870534174882972667122829050205740085854715337092963516619074219<78> |
82: | \[{28^{82}-1\over27}\] | 29 × 83 × 821 × 801469 × 32512427 × 9048878843<10> × 164175956442953113<18> × 5002383217719389360473913384039<31> × 4495294535482012470972518309284152114589<40> |
83: | \[{28^{83}-1\over27}\] | 167 × 39841 × 21661517621<11> × 65642602122533083476691308195970252142124523<44> × 5091332573154034332808866141011655364692094123998293376413<58> |
84: | \[{28^{84}-1\over27}\] | 3 × 5 × 13 × 29 × 43 × 113 × 157 × 271 × 281 × 631 × 757 × 2269 × 13007 × 29443 × 35771 × 47221 × 93913 × 132679 × 749729 × 4422461 × 1100860153 × 40860961267393<14> × 14070581691669049<17> × 223934956756993189<18> |
85: | \[{28^{85}-1\over27}\] | 637421 × 887401 × 148020807352107352204781<24> × 451024205517517423233774595442089125772950234281803785388700007290734071220905548590621<87> |
86: | \[{28^{86}-1\over27}\] | 29 × 3613 × 5849 × 60029 × 684217 × 24385817 × 105942074311<12> × 23321405465263<14> × 17068111104046291434149<23> × 40848716771148807687245758923041411219985871202629<50> |
87: | \[{28^{87}-1\over27}\] | 3 × 59 × 271 × 77241733 × 5506203727<10> × 582595509837473004489665028935473297399<39> × 2490984281800796713523237526645659080993083834467855653648162831<64> |
88: | \[{28^{88}-1\over27}\] | 5 × 232 × 29 × 89 × 157 × 27017 × 135433 × 614657 × 6077039 × 50545507 × 540610746853<12> × 23946685543873549601<20> × 59716358541760548549065761<26> × 1448228946058179249880169408969<31> |
89: | \[{28^{89}-1\over27}\] | 11927 × 51977 × 174429180502286655544684177<27> × 214654232536534717362018939506696980445489631453230772552822854938115326121133488835159519827<93> |
90: | \[{28^{90}-1\over27}\] | 32 × 11 × 192 × 29 × 31 × 37 × 127 × 271 × 757 × 1801 × 3061 × 3511 × 4621 × 15991 × 53951 × 102547 × 444979 × 637421 × 691651 × 734941 × 7302331 × 48403441 × 84673681 × 551640495331<12> × 1114029602365666612314868561<28> |
91: | \[{28^{91}-1\over27}\] | 53 × 113 × 4422461 × 4543753614603737<16> × 151211210289786851561817502989696437469675204045434254843665511834290768780315660400582842258304186236901<105> |
92: | \[{28^{92}-1\over27}\] | 5 × 29 × 47 × 157 × 893413 × 115152031 × 140668620541<12> × 4099849287367<13> × 6013890309283753610697077<25> × 1517655145813456319033978812579<31> × 879411245603819415373538876009993<33> |
93: | \[{28^{93}-1\over27}\] | 3 × 271 × 373 × 1117 × 10789 × 1675799 × 14307617 × 104175305182941687128096479<27> × 9751283154942605850592828466642659513447<40> × 160281583784620677280319713020603382697107<42> |
94: | \[{28^{94}-1\over27}\] | 29 × 6299 × 24128861 × 175323719489<12> × 21277176429749<14> × 1892292333735833<16> × 3425165712672937943<19> × 347263946374443738653441<24> × 10794451258505794581848338245438995963581<41> |
95: | \[{28^{95}-1\over27}\] | 637421 × 21084187 × 5504044949138999959<19> × 18876519380766175812534662561<29> × 8010545589178234338619518726411686560584870675847476297867777517585821214661<76> |
96: | \[{28^{96}-1\over27}\] | 3 × 5 × 13 × 17 × 29 × 97 × 157 × 193 × 271 × 757 × 7321 × 47221 × 59809 × 614657 × 2012449 × 4338337 × 33806737 × 51605161 × 168542177 × 365764369 × 22223646961<11> × 20373094654699866379529360122950128475486289921<47> |
97: | \[{28^{97}-1\over27}\] | 971 × 11811109 × 1077512962627<13> × 709631467209875315796771044618306561153982255910640419690230176559964795222396960041765720122712469579101140989664777<117> |
98: | \[{28^{98}-1\over27}\] | 29 × 113 × 197 × 13007 × 28813 × 35771 × 51647 × 57527 × 2155609 × 4422461 × 248397367 × 319343666713<12> × 5966523512629<13> × 47562389635488030795003583<26> × 44498235948084746667439513476081194102813<41> |
99: | \[{28^{99}-1\over27}\] | 32 × 192 × 199 × 271 × 262351 × 444979 × 6077039 × 50545507 × 4376814093829<13> × 425141076149786955572181811<27> × 588059502384167741754689230237055517031269700136285805215376626148451<69> |
Index range: 0 – 99 next >>