Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 425: | \[{22^{425}-1\over21}\] | 239 × 245411 × 4363561 × 74729519 × 453063601 × 176634767651<12> × 26038519657301<14> × 9874183632435751<16> × 705429635566498619547944801<27> × 17989008180100667691087044555772784535535736604655195356475970322558365768588051<80> × 32283537481101176571005135276586630963719101201463960532140010686827309410702697422173634430918809996743743506583425961030965249381739830321225915992606154702091130270342873052514552549040395960311096190471824239095941297251566968569345004960297732728519899910139778081447743487657698651144059922301307548484799338776361346915573904856754341346153844479309964515269844388928230604857091552651<392> |