Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 245: | \[2^{245}-1\] | 31 × 71 × 127 × 1471 × 122921 × 4432676798593<13> × 252359902034571016856214298851708529738525821631<48> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 245: | \[2^{245}-1\] | 31 × 71 × 127 × 1471 × 122921 × 4432676798593<13> × 252359902034571016856214298851708529738525821631<48> |