tables > repunit > 20

Base 20 Repunits

Table

Viewing: 645 – 645 << prev next >>

(available: 0-999)

Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

* 645: \[{20^{645}-1\over19}\] 11 × 31 × 61 × 251 × 421 × 431 × 1291 × 3001 × 7741 × 9461 × 14621 × 234781 × 261451 × 815539 × 4248401 × 369122321 × 544667671 × 4560331031<10> × 57098317360801<14> × 293979306431856212521<21> × 2806376675907539257781<22> × 12784243483975050862501<23> × 16382282349203301699052609943551<32> × 341123703105313974607376880614995646376367361<45> × 12541974245083294274833711773684280721275134101<47> × 1463629744199003047595242254167478561504495136622906450988463958940955737371<76> × 2911090650711805214708554533530447631300169619646278548725317185365144483897376875368857956362052619<100> × [71581153227500741419409472961319409853383128607855488261285116822233759506453496892187335840415189979874041159723415544530381537979240902482830357595680945431469208527008743270117537511<185>] × [778847062007939659534158269362693036008661123304434348626363932898549027137474322705998883270064505955261851808080799997991056764194768647656394592443911379126197088211465287566886269760844899029931<198>]

Index range: 645 – 645 << prev next >>