Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 900: | \[{7^{900}-1\over6}\] | 24 × 32 × 54 × 11 × 13 × 19 × 31 × 37 × 43 × 61 × 101 × 151 × 181 × 191 × 281 × 541 × 1063 × 1801 × 2551 × 2801 × 4021 × 8101 × 9901 × 13001 × 25301 × 29251 × 117307 × 154351 × 159871 × 186301 × 295831 × 5666701 × 6568801 × 7777981 × 169293601 × 720108001 × 1527007411 × 1708445701 × 13841169553<11> × 125096112091<12> × 555915824341<12> × 6005492312551<13> × 31280679788951<14> × 79787519018560501<17> × 716806794573009001<18> × 1795168434777002101<19> × 2065025164427492401<19> × 7021370289199888801<19> × 121257418374086998051<21> × 142845016408087602151<21> × 1083803739493312667701<22> × 1149016121562093219301<22> × 38327966300231909291101<23> × 217648180992721729506406538251<30> × 20297781182169478546946347835701<32> × 36774454532477494745039267894401<32> × 4694589204874942608779481588454739101<37> × 7576490887465361330520148519214716951<37> × 88684994974513632562859207948844477301<38> × 35446372864178622735807688199347580272582404601<47> × 46934816541368744521224746472394394237253523367701<50> × 925625585287174365941564556695970001749728268007544930851<57> |