Factor Info

ID 150419
Size 539 digits / 1789 bits
Status composite
Value 28201296753804655682700158879902632149491512382787753073478710152327927602124910345778584141602220575791838989638935283195206859639399652642317809905439309524274429492373024166088517625264603521471321045829791231079092818658787707304153008100398790810645892210847085793265497425505843810940518903607639950944100366758344549538899913500901221057109155885121112655347676665138223291786154139745453024010008029543065786272482462272904930836319651415642356683150383678938954736829442538737934470603599027329032719360033976941483230854447094979

Factorizations

Primary (ID: 183836) 38130845532438134457651265613612477918153 (proven prime)
(ID: 184510) 739592745978151644834556803018982902234354773847671094455077369562455710927416680285195266105332605914435145248590520956690190932415490494538885949228992598155024751785200176424610674152346389578055046415827657308040534851518298158946700124162745440349556338798133130583910484552644530912387171780485615715877199913268988868424464795024034525211195789979374904463106813016468497940832804074024197298825979478833375101855586502734581250269549494858972521167825031620142728454212767257337661745164843 (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.