Factor Info

ID 145562
Size 525 digits / 1744 bits
Status composite
Value 852534871332820552777788619230121151055808939126142620178799333456344439883550794660422849172577612545947398087039627699689131538453734984308605821819928249636277010663469425374391300201513857415463322333596226581664196775838847449803230429911790426995461730299452924179462779558431004544088881513112354166898854863159841288427476057080013457161675406199504458682622986081455239447575166275526631717972757468833169096210845286828034142455783861682386521988574068425694212626531347218362473550822557613580521693168482895622841

Factorizations

Primary (ID: 9059) 2151506053058735838822709777 (proven prime)
(ID: 181425) 396250277855735347226652763116192199432918274817249947582321833512181279871957050537841610972310269959836993198825195304848413292264999672480027658794560026916495905168862619882736290378885476609758999711943881194085523508483189402936425495069307830982621596436262239092949834651517447846189780393756721668534231783729571629865648885701908196552916263331463111506058551979336752890430607569592191718148675913791325400674832318683780879785785101057796035149989263640198690784668463113452379716142633 (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.