Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 453: | \[{8^{453}-1\over7}\] | 73 × 2719 × 18121 × 55871 × 165799 × 2332951 × 41707711 × 790468905817<12> × 6675969767113<13> × 2744233598061589004329591<25> × 7289088383388253664437433<25> × 37356728611611210345291212252569736833576274713085930156999243571230871359857<77> × 1472569697984933610350093844623116623743774608299938377008397129155903438335887<79> × 95482410070968865191768412358294026835991889286473514012036972388147612426015631517871026232947329466465299340312548220682242442302023038651951271<146> |