Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 489: | \[{25^{489}-1\over24}\] | 3 × 7 × 31 × 5869 × 4599209 × 24749269 × 35741989 × 40100609 × 675775181 × 1035424249 × 43966879003<11> × 42582482649247<14> × 1098768033226879<16> × 173057961170649109<18> × 1981740926993660561<19> × 6582151087844246659<19> × 286075553470422974507<21> × 721493104094461397911450801<27> × 102556399583828574447011133455059<33> × 2541462766396986870745222882425433052891<40> × 348497483550115442544224379540353249271092076223<48> × 1927737227283430074948302245370287336511800122755011<52> × 28384281575469484539729485807882589299897038184608441<53> × 4985991390114635753037368421149206533928645957062488491<55> × 14096241705380215723892284972639158382701732644940414260375048779<65> × 111687221394428170486621159190282505302104951953356692608593028548650930685735036108673187396786806794814295007896709750978197711393352911307920129<147> |