Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 356: | \[{31^{356}-1\over30}\] | 26 × 13 × 37 × 179 × 1069 × 1476511 × 74809603261<11> × 6940416902143961<16> × 194382021317865834077<21> × 1895009826287880923167<22> × 1965111048897982574593<22> × 1982541102045257840214901<25> × 401166054148241433860876062265597381<36> × 18995008355705857439753498021248748311949<41> × 635458156414840172403397882903149563648837<42> × 1843793240833772195527188715497235054748361154878687143137366939289518721748165239<82> × 19980734644260724397896261659164019865161133175603177004294683164177611197817045690881<86> × 24246843769481130214472529718940013601484960141680850812950287239542364453897773091171556245837527066077330738364161<116> |