Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 337: | \[{8^{337}-1\over7}\] | 18199 × 2806537 × 39147943 × 95763203297<11> × 726584894969<12> × 6853410184776097<16> × 78778047326466742993612420842416198311394008068822475527239136925369<68> × 41735283176555919278680707603233077758778721294120812273925098560965147637308826665759360542267472673465371041225775914144586411946589013546519670342144484365718670608490895241681<179> |