tables > factorial > f2-1

n!! - 1

Table

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(available: 0-999)

Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

0: \[0!!-1\] 0
1: \[1!!-1\] 0
2: \[2!!-1\] 1
3: \[3!!-1\] 2
4: \[4!!-1\] 7
5: \[5!!-1\] 2 × 7
6: \[6!!-1\] 47
7: \[7!!-1\] 23 × 13
8: \[8!!-1\] 383
9: \[9!!-1\] 24 × 59
10: \[10!!-1\] 11 × 349
11: \[11!!-1\] 2 × 5197
12: \[12!!-1\] 11 × 59 × 71
13: \[13!!-1\] 2 × 67567
14: \[14!!-1\] 331 × 1949
15: \[15!!-1\] 24 × 151 × 839
16: \[16!!-1\] 10321919
17: \[17!!-1\] 25 × 29 × 71 × 523
18: \[18!!-1\] 19 × 199 × 49139
19: \[19!!-1\] 2 × 1487 × 220151
20: \[20!!-1\] 19 × 757 × 258353
21: \[21!!-1\] 2 × 61 × 79 × 1033 × 1381
22: \[22!!-1\] 23 × 41 × 86690993
23: \[23!!-1\] 23 × 3299 × 11982197
24: \[24!!-1\] 232 × 43 × 71 × 1214827
25: \[25!!-1\] 24 × 251 × 1968589039
26: \[26!!-1\] 51011754393599<14>
27: \[27!!-1\] 2 × 53 × 191 × 10543220719<11>
28: \[28!!-1\] 6421 × 222446522819<12>
29: \[29!!-1\] 2 × 10453 × 296100801379<12>
30: \[30!!-1\] 31 × 83 × 16653662530363<14>
31: \[31!!-1\] 25 × 241 × 365509 × 68078053
32: \[32!!-1\] 31 × 43 × 1028654132108003<16>
33: \[33!!-1\] 26 × 98947810480669541<17>
34: \[34!!-1\] 4973 × 9374756198551963<16>
35: \[35!!-1\] 2 × 383 × 847073 × 341589567343<12>
36: \[36!!-1\] 23063137 × 72771707192927<14>
37: \[37!!-1\] 2 × 157 × 26117180040248062291<20>
38: \[38!!-1\] 365968703 × 174269181709633<15>
39: \[39!!-1\] 23 × 229 × 1523 × 1589411 × 72120536869<11>
40: \[40!!-1\] 1578507947 × 1616135453086717<16>
41: \[41!!-1\] 24 × 1123 × 729801338918521182293<21>
42: \[42!!-1\] 43 × 21467 × 3809718881 × 30467798759<11>
43: \[43!!-1\] 2 × 137 × 2057890619272202591050901<25>
44: \[44!!-1\] 29 × 37 × 43 × 47 × 1823 × 1192542300833407261<19>
45: \[45!!-1\] 2 × 47 × 59 × 467 × 9796898718070727112257<22>
46: \[46!!-1\] 58321 × 2497528249 × 1488843185861831<16>
47: \[47!!-1\] 24 × 9433 × 7032709 × 1123545739955233487<19>
48: \[48!!-1\] 59 × 1911451 × 46383793 × 1989958984809127<16>
49: \[49!!-1\] 25 × 139 × 166471 × 4654907 × 16009241 × 1058995669
50: \[50!!-1\] 277 × 21935824543<11> × 85656798394340681309<20>
51: \[51!!-1\] 2 × 215143 × 16773007 × 25676813 × 16082005851749<14>
52: \[52!!-1\] 3089 × 123962383 × 70679112807116447774977<23>
53: \[53!!-1\] 2 × 196242521 × 402441016920067685943787247<27>
54: \[54!!-1\] 269 × 128311 × 1406961839 × 30094988795092326899<20>
55: \[55!!-1\] 23 × 10111 × 14419 × 362953 × 2085229 × 6575839 × 1496626669
56: \[56!!-1\] 59 × 79 × 101 × 173852213362896571902178844309159<33>
57: \[57!!-1\] 24 × 59 × 40647491 × 493471236421<12> × 26151422161288661<17>
58: \[58!!-1\] 41 × 131 × 167 × 5292210022627586471752841736780907<34>
59: \[59!!-1\] 2 × 89 × 4397 × 266971 × 554077 × 252350532564221588007967<24>
60: \[60!!-1\] 439 × 2163137 × 299924123753901444402042371239993<33>
61: \[61!!-1\] 2 × 67079 × 186113 × 460364831 × 17238040439<11> × 8994176805409<13>
62: \[62!!-1\] 2837039 × 16673578153<11> × 373299595103014208662650697<27>
63: \[63!!-1\] 26 × 5615861 × 312384131985647964205545476827459381<36>
64: \[64!!-1\] 1130138339199322632554990773529330319359999999<46>
65: \[65!!-1\] 27 × 13691 × 39199 × 534137 × 1669931 × 119104268971347971423171<24>
66: \[66!!-1\] 67 × 83 × 357494171 × 25327817538409<14> × 1481343973380324775181<22>
67: \[67!!-1\] 2 × 3304003 × 73995109927058692371635677006508738739979<41>
68: \[68!!-1\] 67 × 97 × 780437123607718106617448621572493379487256501<45>
69: \[69!!-1\] 2 × 463 × 25774289 × 212448923 × 25988516735501<14> × 256028806327118567<18>
70: \[70!!-1\] 712 × 1607 × 14683 × 309493 × 9644601608137800081740555219085583<34>
71: \[71!!-1\] 23 × 131 × 1308299 × 72434813051429<14> × 24119330698629677788787895953<29>
72: \[72!!-1\] 71 × 6317 × 2519981 × 93445879 × 242040670588232516915854359637543<33>
73: \[73!!-1\] 24 × 2029843 × 94258022927<11> × 57121945536656995985596104970507999<35>
74: \[74!!-1\] 389 × 3853 × 9742633 × 30206753 × 4288621463878590209198543572060103<34>
75: \[75!!-1\] 2 × 983 × 12281 × 51407 × 4070138698963<13> × 2596069394926149608450623602959<31>
76: \[76!!-1\] 79 × 13919177 × 28909643767<11> × 4522482719249428935114325862833415359<37>
77: \[77!!-1\] 2 × 79 × 179 × 42407 × 269503321133<12> × 1307732496731<13> × 2389048854812593736165587<25>
78: \[78!!-1\] 89 × 84701 × 658643 × 27812453 × 81205788633268471669127792813405565629<38>
79: \[79!!-1\] 24 × 9657973610543<13> × 516269930366158347051655153733906738261434123<45>
80: \[80!!-1\] 83 × 523 × 832591 × 2045347 × 21905039111<11> × 215579846407<12> × 2569888093313325273659<22>
81: \[81!!-1\] 25 × 83 × 13831 × 175908244547063211213455974960456671059954010836770409<54>
82: \[82!!-1\] 73562883979319395645666688474019139929848516028923903999999999<62>
83: \[83!!-1\] 2 × 1799621 × 2637639249601<13> × 56496233384125446077713019636638430279342597<44>
84: \[84!!-1\] 149 × 173 × 443 × 3109 × 9007 × 7866707 × 171567326091558008011<21> × 14317707732865970253959<23>
85: \[85!!-1\] 2 × 69529307 × 304294809809<12> × 323842179519840206969<21> × 3326894351577774574391021<25>
86: \[86!!-1\] 47 × 121532595836284783<18> × 93034890817497575163435294580510903758826344799<47>
87: \[87!!-1\] 23 × 7219 × 19773600433<11> × 646461002351578832087<21> × 5372655613219348007921857473947<31>
88: \[88!!-1\] 71 × 139 × 1327 × 433858951 × 8230505753642595791260535403320455440550733305421923<52>
89: \[89!!-1\] 24 × 5879 × 20123 × 769591 × 242324861831802764293547954173636326498751102630028087<54>
90: \[90!!-1\] 4208832729023498248022825567687608993477547383960134557368319999999999<70>
91: \[91!!-1\] 2 × 310679519749332624899<21> × 57162898657065444245603<23> × 904396040551150334296424221<27>
92: \[92!!-1\] 34469 × 103687 × 486977 × 41607732561648768979957<23> × 5347046993548145641910372194436897<34>
93: \[93!!-1\] 2 × 479 × 2441 × 3693707 × 68702986726487<14> × 132396540831683<15> × 2702798579086537<16> × 14068143711441047<17>
94: \[94!!-1\] 35749303 × 1401209141 × 18878196588547385118484139<26> × 38489857387808063158061880747167<32>
95: \[95!!-1\] 25 × 283 × 8713 × 2235804533 × 54635318249355748771<20> × 29444937227177583929569601999281066631<38>
96: \[96!!-1\] 5289463 × 66926151894611<14> × 9870545201116357814679944220423156509129217365192098243<55>
97: \[97!!-1\] 26 × 1789 × 18444247 × 13035946227679784905935853193882382397183276131402708454281153677<65>
98: \[98!!-1\] 83 × 89 × 199 × 232945046761572695263555035875248626883698817994937451763458244678706923<72>
99: \[99!!-1\] 2 × 569 × 34759 × 48589 × 3490177 × 71316903809<11> × 293769596374057448358059<24> × 19392541229423300083014929<26>

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