Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 707: | \[{8^{707}-1\over7}\] | 7 × 127 × 337 × 607 × 1268359 × 126729751 × 248106097 × 128782811543<12> × 7432339208719<13> × 341117531003194129<18> × 700553271665826444242790841<27> × 3590151175196699687878779306511<31> × 3598194408030741269333601460682311<34> × 51903872795463977962670556595700473584389435543<47> × 979290663259342511569398738931332381010645147626228199<54> × 1512768222413735255864403005264105839324374778520631853993<58> × [26462717207177064984350032359477902516572683396010367598133244400755057470324463969632174041546268873002300011811232894572610897592793364253269020528438679982308580342569256999232784540701252780658936497749882631033373437439541697597438426545206540191343236259840224046289831388603012455896560090559961950495147503967<317>] |