Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 421: | \[{25^{421}-1\over24}\] | 75781 × 14894981 × 205114040909<12> × 31410466159536169<17> × 73688412163867840421869<23> × 2670138546849776123377091323<28> × 2510106373340528083960492234939<31> × 6226633359276226469107090691434236881<37> × 622232758780358778126190590256749954524999505890859340251987532999<66> × 1051879481828764433279267361374909935773142138590000211323980722266983<70> × 8995624597957689187076765315194349723348112246742888198702884889831223<70> × 783670951618133061217985404725325428001500902549040786870675786628826044339578308513655116859126140542530926507<111> × 1376892416986891660868888952709866680522212404877414052781432896337974197524345976334022067211965993249761230743801<115> |