Factor Info

ID 2578
Size 260 digits / 863 bits
Status composite
Value 42329422923506590764657790707462327159404149167074276511513382622714876306669618337099190603233335380624140211525107511630052089406514917619376632688756659108063711988711839740769035872681343901470353081346145531266243575978710314018768012104225573923643490269

Factorizations

Primary (ID: 19690) 507998564486483655774880939989709 (proven prime)
(ID: 19691) 83325871139608017380211802706813437971130763838286000506246506053777089693087293720158147341038308632357888933775554452704904201892791446438096726535165532951127733887505094544540394906141950996461904697179113499083925920405841 (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.