Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 474: | \[{13^{474}-1\over12}\] | 2 × 3 × 7 × 61 × 157 × 3793 × 16433 × 1023367 × 1063723783 × 190344993859<12> × 25202746699639<14> × 6709792556882923<16> × 10810634831748469<17> × 47708414283809692422712933<26> × 60241457942618315315564210821<29> × 11525398970553851078309979302109843302139637<44> × 93454851365924293251910769404734554268331275286831<50> × 1999561631486182208460037804951465687912381337222920142652723329<64> × 28441265858900672523892206572025124574932474821838530229558719043352059843<74> × 50903468661785588207051940404895665901614075782006892713301422727154778238451013003186892992353502858567393500049656850518285684754795538053513949151161216341<158> |