Factor Info

ID 20218
Size 285 digits / 947 bits
Status composite
Value 668101357654413796505128352555497288223563750792546163313657184405952403069686473925272386462438129853108949598488115309113742790972002394359790375369728879420714051983442290283195647915751560763717578095015984984504170429715997454977988360229586710034855025909941856337869271326670969

Factorizations

Primary (ID: 2266) 1657369267941336519589012993557140069891364992082365534700548884452551757186137655887808209563554371273008938334507277118593589757 (proven prime)
(ID: 20219) 403109536647967823252626198527435162419900299742827908005840017638975777612947999010862228355924998943486126966926981706492404007923365680835642750113174317 (proven prime)

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.