Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 900: | \[{15^{900}-1\over14}\] | 25 × 11 × 13 × 19 × 31 × 37 × 61 × 101 × 113 × 151 × 181 × 211 × 241 × 541 × 601 × 739 × 811 × 991 × 1531 × 1801 × 3877 × 4931 × 19231 × 19421 × 20101 × 21061 × 28201 × 33601 × 44101 × 46751 × 47701 × 115201 × 131381 × 142111 × 278041 × 318601 × 712651 × 2080801 × 2568061 × 5062201 × 7245001 × 9555151 × 19292401 × 39225301 × 151640551 × 585037351 × 706195561 × 2911460401 × 3058266151 × 3100294801 × 37082184301<11> × 3506657472973<13> × 15992341593301<14> × 138711479680351<15> × 316091724098401<15> × 2538851987876401<16> × 5285545005531601<16> × 11526719781623401<17> × 34800625873379851<17> × 105091981250955481<18> × 7112705843777290751<19> × 11462542089631773001<20> × 228519862691104434601<21> × 2211967376723264172601<22> × 2907052472739605948143921<25> × 92978587355640205970336221<26> × 610433666821864242438170851<27> × 17402794883183351929087891501<29> × 23724642675745547211835606501<29> × 7887666000162926233602695664525601<34> × 5276658969583784209292870346873232901<37> × 3104417290838849087397509493087712981201<40> × 1052183599639933063556404430278700776333623623811001<52> × 55210601759089583738945554718806078801299867010132508907349335013201<68> × [4140647053390292643378530289491192113692769015013062678807434326182973742931971166786914963960586197807319146022326645265654696470425237771665379701541148864154922169908045408010822127229365288646691281394101634597985592663343299530053281160001<244>] |