Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 183: | \[{31^{183}-1\over30}\] | 3 × 331 × 367 × 733 × 14519 × 42457 × 107971 × 38071321 × 50848444051<11> × 12712081567468100953<20> × 130355888546540681503<21> × 13578586277937589671409<23> × 2458422198511222771859601111973397<34> × 100203300153490294333398590723199012379<39> × 145057539743588864470653988776268707429262147455573945565392683651970770645079739081558444018659589<99> |