Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 306: | \[{7^{306}-1\over6}\] | 23 × 32 × 19 × 37 × 43 × 103 × 307 × 613 × 1063 × 4591 × 14009 × 44371 × 56611 × 117307 × 365773 × 734707 × 1135261 × 12192877 × 2316281689 × 2767631689 × 10879733611<11> × 469022340889<12> × 29078814248401<14> × 90920746649833<14> × 9035330762005111<16> × 44072862804091655188147<23> × 7665201278926818079367892281745149002745047<43> × 795000162131334968169163150985614882079420233<45> |