Factor Info

ID 128256
Size 689 digits / 2287 bits
Status composite
Value 22403691875258671167458638109714658312906133328932734039171693834259957306867615936534264017799462685209908484600892914073695703944117558134041836347366569600922714237732884820338880563054539552183377656868666045905305892822718319273094612853038384752886869177769188543020713209552553384253122437131430122378379415964798833232683005103633588560433439727463261766147278553034555000033077402476332573252654554597970489009572218919957431296467371395338794587650450016809513625347581096724543765077313281780580481047391913479844812532657875457369249883186444763864942105166952542501810369036176906941216018552752354732280563648058686041896623978530320334064109442914369778518818273712264097759

Factorizations

Primary (ID: 9756) 172681293323020228546626434127696942772418303243617841 (proven prime)
(ID: 128257) 129740120913676431981870375932181669343611941299113905674852381571510893998816504572336662244448555835361605616952944030106223654731757401194569949495419681756610389011222469012869329195173248136458221175676069236665902693272040419513981893360130800815596287576786141424963134510645088160610534865462235969479512740269247666537042479576584083415866271302614377679150515675337823984619730887518666537770139983748734716252754507410283562940853165846725625313424439236223848969373285807789131895827453134908306031825627769660134833554487363047783091622794160503952516526562788022034331935038854625702197738706328941018211112483650798371599 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.