Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 381: | \[{25^{381}-1\over24}\] | 3 × 7 × 31 × 509 × 2287 × 23623 × 2735581 × 88128349 × 2906725201 × 17365824770202511<17> × 967413475393459207<18> × 560679020564216733169<21> × 2146271536375625882474712607488854837881<40> × 12882995722731844746940951540119250212241259630747509<53> × 232071850047734595810657641340191685995462669499867768115441253013859<69> × 3076137716865400512817630590222174947182195052472086065321936995866231846027<76> × 14693679385278593849609206715278070972733319459651094018859396328480215743184089660644531<89> × 50116497076043011292644300325792931605363741164567945635824747420212771457187363742792084016298108729590292265691341<116> |