Factor Info

ID 166371
Size 691 digits / 2294 bits
Status composite
Value 2145532176466819823727905930925572787971941134619271874669339216499804520256858632314901790554988146928484078099921761767685346788007095933430502749670121881580888034676987872409537234356340096138284553945832402779641190092454198171467150543498565343500856225275812594120630861173425474156890563730982843703393040736402543170837186857060163578608752880747477387562317841193478686189294677520897050337351634596016415271396452891761121119425148260484314911803680851452375988907645149802381529121818674487125220822853859426838365824752949274867791404391999357437735297727153457866212809155245956627641311753177449009674244183036636411880765278659564943455223550001197458074802049574060008823521

Factorizations

Primary (ID: 17669) 209945929109939792807681119841 (proven prime)
(ID: 197535) 10219451196614036162444235364546188200928910712360862540333470525561029871464394154940818787589658837776127693726249758659604081465613697340637007845236534637349758247123778742333350201530371891000403739542515934385752871505193686320595775955735748530884766803947145530146468693161561497732586238577057770847866728134463596608522701999041923594222176921856335196183320907551648843689691714150969124636789991967465293812644514878668272909567314720154790975321044914741824167258271132852016757544204965892338484918570724414181930167914680689253404269348194838936626806754356293738009629219054214506247538524789921772906654137479819690994151119329334357412906980481 (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.