Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 950: | \[{7^{950}-1\over6}\] | 23 × 11 × 191 × 419 × 571 × 1901 × 2551 × 2801 × 36671 × 351121 × 1259701 × 1966385431 × 4058036683 × 4534166740403<13> × 31280679788951<14> × 1765151799417091<16> × 79787519018560501<17> × 120223214550912251<18> × 11317814613933992051<20> × 2440590160473742205021<22> × 3266720400198850302821<22> × 1144066265767763993990721726534802301<37> × 83588499889013461558350575326824370345112529401<47> × 54684647976753757010722762034774338101223801251886437644101<59> × [1091985563058891089584113687311287021946596365333070686609872598432754974511527787106305975044680384489440528823262009077514374263047841155078640770514516439758675275810324695952556215785696468335671598147257070355012551<220>] × [1327561986485766187593613402928432652174835219422443923831041237724179642304997855389664168511253598087891740335002426013708310588588887994848408452213210999788338694789834655092779366115938671682730696417727883289283096340874154074988095996102836151<250>] |