Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 663: | \[{7^{663}-1\over6}\] | 3 × 19 × 103 × 14009 × 22543 × 365773 × 486643 × 7524739 × 44975113 × 2316281689 × 2767631689 × 10879733611<11> × 16148168401<11> × 760999500977<12> × 14021313524867122653477296077<29> × 3505751277712035616689209912791<31> × 9761302041992117524910703947100342853<37> × 9289087607485689321226342278783154488250477781929959272827291115047333752043159677223527834977144046718995347<109> × [77939271053003012129867822642582450615724996246646905712326322227336412065852665051094854680267583084146144189980495353112075440575561355730907396726841819326470010820031869974399582401385271258391309058836095428494360511298386308987150592101969103033126423132647043<266>] |