Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 675: | \[{13^{675}-1\over12}\] | 33 × 61 × 181 × 701 × 1951 × 2161 × 4651 × 9851 × 30941 × 161971 × 203311 × 650971 × 1609669 × 1711042515451<13> × 57583418699431<14> × 205226896719601<15> × 2752135920929651<16> × 2997534286720771645924621<25> × 185129510660424877123166434146327362331151<42> × 68908867770552593063187730578864385270746601<44> × 364003636749512332994633571014911475374730785199054707304764450331867311<72> × 399637618032860624803042611898600605680096732527640012008469469655061307261451<78> × [509767979565590670332479353623768168786382134453782153267882376490520303628176362632113437850344309084017344346048308499723337412273991357769027232405350883194979071531241246026191256431404313470697954832378497638680393735743871160368336286126220632520165219947806649699044044644494366320569287855053641285432314561717837955844833942982429157301300288755448354855222989688432390308280801<387>] |