Factor Info

ID 180221
Size 689 digits / 2287 bits
Status composite
Value 25455897320194348027615009675358277544469859556308614400299571000236405825546320846035618412639159753176025287593222309153796219047381128625576993006549015458686417180212265190074287736298682798613578144275697303461713147269119090590185215982006954357208011854828545711954635011472827218242737263740689158705301212641848642274591383207431876669777978983725504993591718530980207259004675444834794704137685364077804102597189930380900224041097920616232599454848654553208760281917457085499073327260225834844246510034995722468654319626750916933461454589627919461169982745646690619220585027424912418813302246091474214504441233239397046671511886822050943574855905143585873202387768983115033275063

Factorizations

Primary (ID: 179130) 507139619720616245941767551532142732275859281103792945464428954425416433 (proven prime)
(ID: 180222) 50195047537831946247595359160118720553794274549883005236287606349970085597325927120366800588711517248939929541292548789774061640863248337832355717369310491269928073638851778830173312341774156415086021980418925897079794492868802883666544125150338673327094501842404203083821430630035409300392788945795681635661277780627443087832319187725178392461977998183458220623155075866167937793941148668644865453141592383358034072985481594567331476804189433546014887832915023510960155913687830237628188660423032087392051299306823533364681416022336704736691367726460056553068553465447814953142260731257274573324701402925431650947111 (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.