Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 354: | \[{31^{354}-1\over30}\] | 25 × 3 × 72 × 19 × 331 × 6373 × 1816729 × 8177401 × 499215049 × 1972952803 × 468099896569<12> × 5587992961609<13> × 125693727758648407613<21> × 172622989918672123438021<24> × 9802307062624594792837713609469<31> × 1048987974531167443121633837864965091749<40> × 291352969201392097489849574023263491056699412479<48> × 2593612406801473161066888689957754830054017617439929433838873336053<67> × 30774184830488233644541699500211956223081667066020281679850168731339705797044737884712680401602008188161588603<110> × 779110751002944931593880043551085194284419728286833281326930138887871379729715331740337603229935558050987115088080529709237<123> |