Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 447: | \[{25^{447}-1\over24}\] | 3 × 7 × 31 × 1789 × 85229 × 4394309 × 2493584477509<13> × 12703371381749<14> × 1084802496290323<16> × 63998602029097150801<20> × 864203844381482464122519761<27> × 5236191793577226020199483374350559063<37> × 70606076932975930713141061612143919520292695006256271456858149040969<68> × 35032461608120426773093239582247903282006548546912894293926707097244777067146515037165954709053039550781<104> × 8971344144759975807829065666553156875434974333499709837865796953129413705803966975837294026057098452482441749661387237169102769377851885609<139> × 3275194406148433974372107120956882489873145117206285685326062896180212262542010145256439866409487837730091999082284115197078357923874211225735949136258785663790699581458481<172> |