Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 609: | \[{7^{609}-1\over6}\] | 3 × 19 × 292 × 59 × 4733 × 60089 × 3476173 × 127540261 × 2576743207 × 7296587341<10> × 11898664849<11> × 37231222631989<14> × 71316922984999<14> × 196915704073465747<18> × 358475907408445923469<21> × 145916619612283783386370190568409<33> × 1158560595990812530792619356788467777477674946730941<52> × 27561825077977067991406396148381239250505396358671209<53> × [110532814211361139733318168254691870415215281846352351851094029341054974445697961864110324731693117895565282327121147095476924322572102303747629604100664945602916379852859026857622020033661256720337717106726320826637910403215298453099801229365230737646613<255>] |