Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 325: | \[{7^{325}-1\over6}\] | 131 × 2551 × 2801 × 157951 × 787021 × 16148168401<11> × 4446437759531<13> × 31280679788951<14> × 434502978835771<15> × 416101077937444349085210448786432651<36> × 76703889230394194088755921186703377051<38> × 2086832234647581885516525348467916223130150347933333355669584909574513806237844714256558102468733782932885606392636023103492115801<130> |