Factor Info

ID 2651
Size 300 digits / 994 bits
Status composite
Value 158909782931437631247318447635484173799663592943788874925026396190672346382259371913983066488824634270459037034089367552052602901341116025863260510205521856610781225072336084935857792739573801831166561287424465124885649857851348483110688307120800980225983889083702732603613348447393269171122142749567

Factorizations

Primary (ID: 2180) 5078554966026315671444089 (proven prime)
(ID: 2652) 31290354046473109408276165251965252998255978567245659654543002295640775649757671084214157931262411545331754043608676075916915458961202095894093439025474390280059089382201353449727539627417638942328210842450316032294274017017018654914266450976548082447893259068961475441995703 (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.