Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 157: | \[{22^{157}-1\over21}\] | 2012113 × 769098413 × 137860504340262753785491337248209986157738671<45> × 1285486290124208135972346886457146070612015331076920321499675713992392877117591953116313626516309995379394218829630444942762670955412160477140198469809<151> |