Factor Info

ID 155352
Size 520 digits / 1726 bits
Status composite
Value 2002017542843789551347876302724854789363575493317545233602704473118466737236918155049107666824612917285726383600536313698314238933824722806338700237492892991322641376376170040686523666472437829497047255836398272943932144214904324254114607439275065484812690021198874332911479253224520474996733953804907505425553266605710451054991955393678912131324952728125584659451847672155302419872132951900490855733020742555632378031963650207036903579929159595310686224518967239170107092160913133991696956296807828464348041474269063181

Factorizations

Primary (ID: 154712) 1593405992841712852324481273 (proven prime)
(ID: 189310) 1256439069413408254874944341732790728912907960970878320005805219875027842782102667520584095213239147041048928142993084987858339931040106120010113219372091125364667635657793934048777629157930351282940281699145004256790664140826037498879908934912067665003033484480487990430243163376956416077790736961324175567814781843218857035689091432313278289716871782196679705275116228527843723199418796449672098749175986480487857213257198399237553096999497124732566838982383693996148260285022211219373858997 (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.