Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 323: | \[{7^{323}-1\over6}\] | 419 × 647 × 14009 × 2767631689 × 4534166740403<13> × 32384164657733079891391121799890231790807215307992831784347992344927666001261536118647303847<92> × 100011917693440889990646365234918262541012912410693093181881147536745060244890241473886354837045585427711925587468654875546212644201041776410406437489<150> |