Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 293: | \[2^{293}-1\] | 40122362455616221971122353<26> × 396645227028138890415611220710757921643910743103031701971222447<63> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 293: | \[2^{293}-1\] | 40122362455616221971122353<26> × 396645227028138890415611220710757921643910743103031701971222447<63> |