Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 266: | \[{25^{266}-1\over24}\] | 2 × 13 × 29 × 191 × 449 × 761 × 1597 × 2129 × 6271 × 9311 × 19531 × 19609 × 65171 × 170773 × 213029 × 281429 × 354047 × 3981071 × 234750601 × 3257947519 × 4885168129<10> × 152317058321<12> × 126286794969133<15> × 2864226125209369<16> × 29090007107767075239783794592001366542871<41> × 4905684062582720880172275280025711696216945281088701822552533098887<67> × 286729389765313125721925609608357082524297322817234204933292092804164870508572541729524098355670110769591837945046868835094054837<129> |