Factor Info

ID 21424
Size 535 digits / 1775 bits
Status composite
Value 1747133736139947428410087468842329052305424218091922534228720977057778403551223927404845342682767866641680266039035673008092601722845857789286677187916394571367224963394529320877758718233167789343380647335253452620883224025929334206184871565852179250807588385498956879380895642590691700187815616324893072309100109421282312097014507183591259984299930527131943662495949058415116284541327045941170612567055611727459159390161580650107465066357451253956277195886723482541599165685196966906556881731330710146149376872261105406178212866719059

Factorizations

Primary (ID: 16390) 1503555624642039390353881 (proven prime)
(ID: 21425) 1162001396892714332967525148724269395665506984893216433208350531780337353598696142663735999848004053966574163238670971996464452046414357730234338512851584390461784880093329757962055444521455523164120969406937720013344831016291087176160088473027072581554553104334404644758471084899372354324426292443105360821878601185302678329739184532718822764224697653385875160382526762807093691838471664691410953529716166796939628979543972342580215537433537721694090924371243492061803009220061353947236077495905555382687721739 (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.