Factor Info

ID 8749
Size 295 digits / 978 bits
Status composite
Value 2306257039792993833684619493712130663560350868465302196319689082008895771888657340390733906784821936598736479684325762885764310803659066874710513761968461426335136939805018265194574040472764683465269718718505156744299720752754882621311474150219206591903835879725737438203046005367894229128560507

Factorizations

Primary (ID: 17966) 1620221568881364582821 (proven prime)
(ID: 18657) 1423420774101459916462451012942045353902816453108890517465594485035684498655200561393413402869990145891600432423199553824892567980399390542813970497174972540349441458452306076575691832147136786908549132358685757493017853940879539607760281293830437575802818929402378729681567 (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.