Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 797: | \[2^{797}-1\] | 2006858753 × 54573369937<11> × 104757762864135516671<21> × 747609928190821086986322983<27> × 21023711323746974956423747989180911<35> × 2896793131110864597734842177399739433374955784567182457<55> × 1595588224457046357344143800204398382349005665658548987812122020808607097989052163601<85> |