Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 441: | \[{31^{441}-1\over30}\] | 32 × 43 × 127 × 331 × 883 × 2647 × 3637 × 6301 × 6959 × 7057 × 70309 × 81343 × 259309 × 10935037 × 77623057 × 917087137 × 75077698123<11> × 2813432694367<13> × 6811316085403873<16> × 6585932048863895071<19> × 728921581954037396189325850537700569<36> × 62322419393153627851729037464684263699383389269055382039663<59> × 32344789788649327732696376664576672818997374042616085583943679006635374376810685575124017857915274291877<104> × [237636508750649866667567169015110140360536467057773434344199575310426795223231119532902452659314437946800637144392427321717879091402654568621248449311401805833380457000506486779766699808427640605401728906138745303505456193836228791527917942467439823275225886816996604769634874746014163247541114586435453175169885026308157377074772703<333>] |