Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 580: | \[{18^{580}-1\over17}\] | 53 × 11 × 13 × 19 × 41 × 59 × 233 × 1451 × 2711 × 4931 × 9041 × 9049 × 13921 × 15101 × 23201 × 52201 × 77141 × 145501 × 486041 × 1270201 × 5860321 × 874663781 × 21584216281<11> × 41027080494401<14> × 1505548068007783<16> × 678538785553421893<18> × 98800490511312118297<20> × 312275133902139621761<21> × 1586801117788981679412251<25> × 115643571587559007469672309<27> × 4542493092455856362519026681<28> × 44436997755843425398470107404141<32> × 2255781524824231358697279947382689<34> × 279244505986658392163431420484751504588061<42> × 1063738602287161425001379561980571449452915294399167801<55> × 4229902794765347656989245141176300254137559741635181464130354096931133881<73> × 1551401186925508484133392510398878345592061650403823690709863421889901131274144625280384307820122819174127471<109> × 538413586135776480241538295963878957935899563181466161320261557885667820871053487662189210025754046947535214514468642256676201<126> |