Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 137: | \[{25^{137}-1\over24}\] | 823 × 2741 × 20551 × 22469 × 603349 × 48102071 × 121719631478506669<18> × 7642530702770043710321<22> × 7851027307722624763151<22> × 61562630761411218787053569<26> × 4011366712134698762723279325243498287<37> × 251755028858658462627642052961230751431<39> |