Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 57: | \[{25^{57}-1\over24}\] | 3 × 7 × 31 × 191 × 229 × 761 × 6271 × 19609 × 213029 × 3981071 × 75649382555448580095589<23> × 11735415506748076408140121<26> |