Factor Info

ID 42912
Size 256 digits / 849 bits
Status composite
Value 2281450807622511306219203021353605170221271338147970445931265714996848173565270267915492019027172472043896725294456403831674204686036326126901046360348433506495245039424434987304352337902499540148513991335752747498507624890360680545783225510206911367345777

Factorizations

Primary (ID: 46812) 4299432732040349195502376297063249129 (proven prime)
(ID: 46813) 530639958760285218664472729155914005466454201878472130099851133340846550309665472931825839872638728725864719433433882555255425506612287543958389409908263989431401631222624117249316283694544187307552922679680629769379913 (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.