Factor Info

ID 42404
Size 241 digits / 800 bits
Status composite
Value 4677167957588698841324307592688093061882183324527277157064235271547874837324880251160514309682063243468705347464229526643467604673909407524212418845057326815428472700598135740766601329557905493257025989846686974316757018545500813437142132063

Factorizations

Primary (ID: 598) 28186756596622582369 (proven prime)
(ID: 42405) 165934946844828910056188606485159688862055260289878719854684019616389435991767275162168004660160078389154577632323339973185658707258064536536795924852614828776527097827212390939562384779625483658383708749640761903445204927 (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.