Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 498: | \[{8^{498}-1\over7}\] | 33 × 19 × 73 × 167 × 499 × 1163 × 2657 × 155377 × 354854881 × 1621324657 × 13455809771<11> × 9202419446683<13> × 30495765703115017<17> × 324965201690131831<18> × 57912614113275649087721<23> × 3388098290567587377052016525627948593<37> × 8241594690167137359552274418432855740327<40> × 29004089048751837082775014755957683255977<41> × 45741818840679312017379519271107748704403832423168473151569948781073177904539243961<83> × 34496745342453444817039264578731011283334300852411336570727768458411133501498552286451832685025097370302306935077006404386019354639<131> |