Factor Info

ID 164580
Size 657 digits / 2182 bits
Status composite
Value 550377055452833917030589645811246979337483141689728051456558194091452698598222191304910656662725034673585681819644383023955799719643123812237111890542797504553548425911951411109392198026527832938485049139984615227411877415140743389972688319668800692553266782789306507326601633041731417356344931054886654101208074971236321459745103990508949987287300786006997429289949092471810253731412335747880271377140477513105534760071161407151681860141492846285937870249695175448321089435712887279927521011161834632829062122892765866985687325972123287766986009547912970295577477116952097048502894759253104289373465346801078478329426934715117435984019817560421895957713651

Factorizations

Primary (ID: 163942) 31876884555721491076751 (proven prime)
(ID: 164581) 17265710345399745451461239994002007787735924443426167556901210105639029612446071280534402476949101942870002428989272941332655391566774691696265550983190892116623212536428268657395582949910670424254157877390637394877140552572567099204752876773072308278885317963494833997307951249064204611206359550992702035329233179789445824972391538994424097068749814670454522484935202062991466470131050925601374417775160358427926320268574494284139266719271585096074048729331045702868499468881597610339761935168469328582269282319751663767876568482472088579162727161579388684827639048334454087452615444167114079943381157276913685332700857497908628311901 (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.