Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 561: | \[{25^{561}-1\over24}\] | 3 × 7 × 23 × 31 × 67 × 103 × 199 × 409 × 1123 × 3061 × 5281 × 8467 × 12343 × 90271 × 317731 × 528667 × 595123 × 4200769 × 12207031 × 41540861 × 190771747 × 466344409 × 60119016343<11> × 386478495679<12> × 654652168021<12> × 1868754423473587716067<22> × 343063620501606390046364264618447587218649<42> × 1202338040280510524134632541097924516136661<43> × 1668129981554035361218550962703364039772531<43> × 17871635646349095375983368709164224334356049680569<50> × 41602252593301181022760943389243600477779651258661<50> × 33144932878920123499901728500119115510249577864305170741<56> × 1083765449307240209607018228295109706706942047703089360879158269<64> × 2438381544291258559925294970374272234237944145155801092226104180827074127253739002033143159<91> × 503974460430608208390849069216452205839668735129407520700890921714854818686652377563768179743<93> × 41756099159667350586366678707547045132371589013398313112526905032925895481950399342957344027430678707177235541<110> |