Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 219: | \[{25^{219}-1\over24}\] | 3 × 7 × 31 × 439 × 429241 × 2183431 × 4853479 × 5729041 × 1526556583 × 63554310563<11> × 777612767772190289<18> × 3570677866897550288203<22> × 239701757320911389817996792709<30> × 249603886403307106321078321358781541<36> × 9519524151770349914726200576714027279<37> × 140099662405761231019979868685126328277639556707922162027<57> × 366676038760615062548074285016706043440761337360791812501<57> |