Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 600: | \[{25^{600}-1\over24}\] | 23 × 3 × 7 × 11 × 13 × 17 × 31 × 41 × 61 × 71 × 101 × 151 × 181 × 241 × 251 × 313 × 401 × 521 × 601 × 1201 × 1601 × 1741 × 1901 × 2281 × 3301 × 4001 × 7621 × 9161 × 11489 × 14401 × 25601 × 118801 × 132001 × 239201 × 390001 × 776401 × 1989151 × 3266401 × 9384251 × 20775901 × 24665701 × 26001601 × 49892851 × 69566521 × 149439601 × 183794551 × 424256201 × 632133361 × 2172116161 × 50150933101<11> × 152587500001<12> × 89620825374601<14> × 103390853395201<15> × 545263793386272001<18> × 909456847814334401<18> × 7477331283039457201<19> × 45804743639930233601<20> × 299541552154912341601<21> × 23320317172851318360001<23> × 36027125774161239946900801<26> × 668219906430537590060380972001<30> × 19175675206152077061206122104001<32> × 249573426944146284704352710315893441<36> × 1943721725056298631352604586154656001<37> × 201729070811027930976007420652223887947601<42> × 1350508667305393222650192018347020888226557601<46> × 391991793559329347123395574670868608744081863837205601<54> × 28060507518303512116902269140421578367687213864790115643159107107793214550569022121911417440572349691263044965026467197972283288605185615261252404397091210444137959201<167> |