Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 193: | \[2^{193}-1\] | 13821503 × 61654440233248340616559<23> × 14732265321145317331353282383<29> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 193: | \[2^{193}-1\] | 13821503 × 61654440233248340616559<23> × 14732265321145317331353282383<29> |