Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 805: | \[{8^{805}-1\over7}\] | 7 × 31 × 47 × 71 × 127 × 151 × 337 × 967 × 1289 × 4831 × 14951 × 29191 × 106681 × 122921 × 152041 × 178481 × 3188767 × 4036961 × 18423553 × 172384633 × 13816619111<11> × 45076044553<11> × 10052678938039<14> × 10773764827561<14> × 2646507710984041<16> × 14808607715315782481<20> × 1186694555374004016103<22> × 5261734890589939541307343831<28> × 14122560700459482493165563202458351462799<41> × 368807221314046570921624935038049174011736160751<48> × 162383614111595675973306320509614573241829932932497191<54> × 331491135967206244657979810427039630258881338881381693422837956185559180298159560378704962315457020551<102> × 1676042415005177152665914489816791823045310617401314694536692492358357305436635497072944730801840196091204452921558865788310309688088499721645615032856193945377170391278881018082647218514174429748646674724210333524755168113611260316500797957927756400644124623582308580607431<274> |