Factor Info

ID 53080
Size 299 digits / 992 bits
Status composite
Value 28390078243668004257007324835409467102484784833892988353650430247575935900804937014796407786587179562780388934564751598793538135261511759912542211525884555389144910882833326651092922954881645281516571281692204812691599196680957518732535377730425647264453330604278350966631819368601886575040989944509

Factorizations

Primary (ID: 76416) 8387457171072393087057864901513403 (proven prime)
(ID: 76417) 3384825420221864557725504866914643466815378695660329785062982123417375141233590593187476172462947722363133132873747371749066836155949575970936345314230403646829733097240619676390110287180534908448419450116303471381752997885945095806981059192524844381709974358288103 (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.