Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 315: | \[{8^{315}-1\over7}\] | 7 × 31 × 71 × 73 × 127 × 151 × 271 × 337 × 631 × 23311 × 29191 × 92737 × 106681 × 122921 × 152041 × 262657 × 348031 × 649657 × 870031 × 983431 × 1560007 × 49971617830801<14> × 207617485544258392970753527<27> × 29728307155963706810228435378401<32> × 124339521078546949914304521499392241<36> × 89371283318924988713544642472309024678004403189516730060412595564942724011446583991926781827601<95> |