Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 34: | \[{31^{34}-1\over30}\] | 25 × 103 × 6841661642646463343047<22> × 751670559138758105956097<24> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 34: | \[{31^{34}-1\over30}\] | 25 × 103 × 6841661642646463343047<22> × 751670559138758105956097<24> |