Factor Info

ID 177691
Size 640 digits / 2124 bits
Status composite
Value 1907570752190429456904087577087766932711376554658762174496245352055850625724935166215186641436165317862342799729992990186751770462670645883373053234681235520225079208508176913199222154704233196398290555899567037976016170638714360926840073759365131041174022706659327757153445700812257950319494557102911915495017505976368345112715760279199194627202309041893514295849599453415445629137452352516027764564321014591719661779618545388466929622536785306863651774184188030764543459552157877506087969110373887427848934070371138566978303129384851410232554763075438555779949896445766438198636864865415336262713368745135641283752999294868995245756421251

Factorizations

Primary (ID: 16630) 737962557804233329344080750978381574252001 (proven prime)
(ID: 177692) 2584915361920664992917752759364651336209461495539035408350422798312320213591753561370656223655285821259462985037672976953739346783351144897497695496678018441073194637007525460629230167589689952982719933867186474907938536969385939450352573252143116505996769776291621393453328958027470129796813066437654291928731723901335978947388562037381263519172893662356526531920463063248716794252226628438310629909643037672313365776790039604984752609388285177410166367813819658071003527784720649634716477567425007050494222714814656847603444769314115503376258591276083889291793827249894764928198828413610031169251 (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.