Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 321: | \[{25^{321}-1\over24}\] | 3 × 7 × 31 × 643 × 6421 × 35311 × 80251 × 3482851 × 5486016363791<13> × 35411885288978941<17> × 172163150940018661<18> × 717433171088016374418821<24> × 2303573383935650005163767<25> × 273860673667943993469496783<27> × 15508073443324126840152709489<29> × 4753712821254698015771925989227<31> × 388901052230014194434133688780424918707<39> × 204438681420686525733014991351502624422714996979<48> × 159745355677531226795726527119537776550594226912629399294136965936054647<72> × 6072405960874948224658766406915570142830900385022525392267288527692798450876668755709<85> |