Factor Info

ID 143556
Size 272 digits / 904 bits
Status composite
Value 80257835187883670586964419788238912464497262288803282186383010108182435383903019794089257063917119120165238368433202800975534544358653251237211216789439012024995280052214686636282554181433462789286812916155475954416881821880924734589212821010481789967196262124677643083983

Factorizations

Primary (ID: 143128) 917842427566819615573 (proven prime)
(ID: 143557) 87441844893404472878535830974425556848296861484640432382057111183478036105159344851111162475715184044103046023515069843604425509341319162347732666690944769044828458406019783435934151020940497702069283985889741964307227568712223102349923381206138977171 (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.