Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 408: | \[{25^{408}-1\over24}\] | 23 × 3 × 7 × 13 × 172 × 31 × 103 × 137 × 313 × 409 × 601 × 1973 × 2857 × 3061 × 6733 × 8467 × 11489 × 20129 × 45289 × 90271 × 317731 × 390001 × 528667 × 623017 × 999329 × 4613053 × 5530033 × 19724557 × 34288117 × 41540861 × 466344409 × 469036801 × 12447002677<11> × 60119016343<11> × 152587500001<12> × 654652168021<12> × 938894988049<12> × 1361753880209<13> × 4959636586609<13> × 26837241260899651321<20> × 65127801352770865664923661368506241<35> × 3290490848983782585870394810161320136439633<43> × 1581897033493188819771058354415252729838488128568473<52> × 17298244498006001776733260622470717119751907722059351560259725074404263356882341457<83> × 10118750612833604636408256392828672868036542607326272507395241804409707299154436598389468483180547134027249666032762199809<122> |