Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 52: | \[{29^{52}-1\over28}\] | 22 × 3 × 5 × 53 × 157 × 421 × 521 × 3407 × 6917 × 7489 × 148123 × 252918667 × 4748492087<10> × 115137932261932697952213846689<30> |