Factor Info

ID 143405
Size 267 digits / 886 bits
Status composite
Value 509206737392949260809182246309653162715930856009587313403778175678417057691098073431869043628934013925939846522605596622247416241903208746190914268897828889112572206538519938906171860903420689910305216603768812666528244820491583246135277187611714868257019523715251639

Factorizations

Primary (ID: 143406) 8875447075698116298501713 (proven prime)
(ID: 143407) 57372516905340970857121431681009074957802722162327520247106814620463383912629685702514845571138019900018326198730907673868934448724449974804556616808870845533765993912518302151262809467488641006015595812815556746742252954689815062769597530503 (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.