Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 97: | \[{5^{97}-1\over4}\] | 389 × 264811 × 153159805660301568024613754993807288151489686913246436306439<60> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 97: | \[{5^{97}-1\over4}\] | 389 × 264811 × 153159805660301568024613754993807288151489686913246436306439<60> |