Factor Info

ID 172156
Size 491 digits / 1629 bits
Status composite
Value 13115946414284874577096395909425010766919588488385804446283432291542087266376310644105250790979342730349766106971290616816282840135034268521111532018431002704267631467358636111113251402376770878541491153025283863111478339409486973741215119795063772741650651799124156386764499998915491776573781694088613666099256789343935799459170790303705774525527210804713234051295691378468924198749880205584052423823479423576650978074174322975990560364470159700295528906841489129379479932205761950042189829

Factorizations

Primary (ID: 171431) 216893056966782734025070141952200894055186606953837970182325156889808077276561562581579180582310141649 (proven prime)
(ID: 172157) 60471951466356009141304108726643069890842956095284111547476323382725739381102834655569790785012940780494836635805756682563217835142793228903130067600148463929729993048620264168239644424390772286801590948741002921998022688535473746878273756374751104831005848051957357276800893036676765135712947798912782268881763475910437629005609690795801238946144795884662966827361431752493461807055704821 (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.