Factor Info

ID 166164
Size 619 digits / 2054 bits
Status composite
Value 1671161940858141580668818363187551202811574354786191139369798118043502122305005500217367262636450669996390552396607215742883717314054098421796624457273118217433569628041937079479441001330473567382260158213310218709880042564091642373709506640069518182521029110032299376369243541204566672729276817208877026715999809347821082045985530796357586965301025400654127587175513966359056194514498936786283389482824130673910818930672662488020415132688100123289678982493286943142136490128951167249515734149780736053780766421494128332747987683030175153591522189654000552067438654738134545537904679778349024032700030295947265185685433

Factorizations

Primary (ID: 7561) 1708114263204222806519161 (proven prime)
(ID: 166165) 978366598100549206760016471219798744647630110670197419251121588828059150988735390994686653353907259208638657222770256281597102125747300221915957868401643617011759962481233858236114024286189278035940880052972130448708478593669639993772135879860296032031871588473430791119050425522955493186071177377892191957060571083221294100737858806824684012785103103778663418116425626803008458635965441432084640417658459912405229001855579438835631571036672266242317608542755874621308903895112310106035462944725504144297648832134595981644306342662172029379638862366047915486338784164958279794719683503909925953 (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.