Factor Info

ID 8731
Size 274 digits / 909 bits
Status composite
Value 2188757980620081850024130530417953285043407923069171946252901543366355244843301876062561062402997037017894127102048826201591545304465562575823673900562705463917165174189830331002990956866785198391186810957463604737862478251135002719038443146914827961415523830775469243381421

Factorizations

Primary (ID: 18614) 2953667228251580029339756726838729574091 (proven prime)
(ID: 18615) 741030661709211791549074155290534834925289577855978990374986099520642709421944557704199730295216269716245309845080321812889067053625897160976796607674275164719811505194547761348260009580296210854493987627839227960851073861959253430631 (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.