Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 766: | \[2^{766}-1\] | 3 × 1440847 × 7435494593<10> × 1351710731785981752792617<25> × 5609122817914313723820539<25> × 503823044204581129045587727<27> × 15174923558680812616818436353130417<35> × 240522700235167893496900256599634325263<39> × 866140553743041477859225887851118773868045256339779536563782349481<66> |