Factor Info

ID 2720
Size 329 digits / 1091 bits
Status composite
Value 19891357299775091989159399774146634786990193407173078495671545166263187723937406275398651510468537152145792552399922158499032704877884731538358282989445264567930460933306672885455134519059305971025705242854035738406767631672333070045903591011596094188216170427099989295991891265394755998587485980030320526489543389331303019988197

Factorizations

Primary (ID: 2242) 7317723970031057677693 (proven prime)
(ID: 2721) 2718243730050215279095923877722216070793639689235321725791865563148917659718167977380175601268358574584749934178142564419565690213747891710741668859523104344492848842027120892696925260711791842668589809631741016747369987522465286124752452579644447497052325514841669766152141209812763696809856313322683150729 (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.