Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 776: | \[{7^{776}-1\over6}\] | 25 × 52 × 389 × 971 × 1201 × 3881 × 79153 × 16724353 × 599599487 × 11695740049349<14> × 146533138940077<15> × 101761712426028087493813409017<30> × 5682612984161495984352311495269241<34> × 13415991946479937907161852774776273092954672228563925519099<59> × 4160924156784953821413999107825795646911807584554735726748631757909547764679<76> × 3322172551314376232138567000961500096409059258253885638318053320936174431744975533<82> × [50719335397628569098940318110510216101795213960536140202904025597647320837485240596908999686777758869748238155626776934995104456327446070407522926756206021972679934456554388916676872967297396927589422227292459241933074229956416820412492043628774283794807586560976080762417883258182005703734094587316372061933263257<314>] |