Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 87: | \[{25^{87}-1\over24}\] | 3 × 7 × 31 × 59 × 349 × 5569 × 6961 × 35671 × 5096867 × 6090817323763<13> × 22125996444329<14> × 210390487070809<15> × 22500358133965991972941<23> × 28870194250662203210437116612769<32> |