Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 891: | \[{7^{891}-1\over6}\] | 34 × 19 × 37 × 109 × 199 × 811 × 1063 × 1123 × 1621 × 1783 × 2377 × 3631 × 3727 × 5347 × 173647 × 293459 × 1532917 × 2583253 × 2904661 × 3368791 × 12323587 × 27170749 × 57156633859051<14> × 1210382711491481432134561<25> × 70722308812401674174993533367023<32> × 14658652062814508164798530246267135510037033<44> × 902475451114745298652874250802225621971143685277038606620450327535147415328634218835227606374164438295090691903855810836826453152848187542583<141> × [6290793874609118674381334357978719219533417957702831885981235737229105166514516044755149518055790581322816263960008473189354263024954945346440622004221773525698299224026867924774976419644385876684301352282240102103036080350962760546686013475294197118109918711120804880419201701464330088767637849623380712953697149476742997438212562115667909480213351586734123723743757783879024177258575128563002843333403646193<409>] |