Factor Info

ID 41171
Size 522 digits / 1734 bits
Status composite
Value 665223520428310805212736980756099949025897410023089474003107162472799584836502147786931009584146470373363452127309391961540080480816333577250457949893048532175677618578796217561653169489097119312055846073600462154142291518369720409799989537804184116420178123844691130001698762012702273823259234694958643789138907861993163248694486391501255162331274943857657736717681818049931571400060958668644019012284388323886062944018401415549271422377617908117804402366278212556092511135039971321927323664105328983533678486993843058897

Factorizations

Primary (ID: 19363) 4178437150016715837818641871709193476807772628503969494400330129962348520684914375257 (proven prime)
(ID: 41172) 159203907237338625164976700290884211273677439943547163660056438334138914745440101461809131850953559913008522429824777007237338800448480160463066554267583071059625470636917510837898535309551215615354877163561361780172210980897107076843878467470350202588999853529363082489162101305502461937769753820376236017364704936469030693370347177842096959491910146180913185254559900130229940520840652664385094227367568726628218522286382040665845150521 (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.