Factor Info

ID 155413
Size 522 digits / 1733 bits
Status composite
Value 477982354560722853838122207134443874699836434029434985669555797949643677476627207767038722469684227718239216752926725907948288221764264094959102318412929559965562884684732922737131427491030178363037116390967104688891441569761869334392775649211471895238652083324067243790956620781282329331788193191226705865429700269559628655014535608723800788955857546225542079809533661498416675124475038618101727231318375011646338996449125485161811902837827919302195648542876446125848078903104176381662053780226869540174921244138305674087

Factorizations

Primary (ID: 154589) 751670559138758105956097 (proven prime)
(ID: 155414) 635893409352603749864825892410015542832479558415051824900782358415694580600530497789483074823053512704077720340006666836898704795740844757216771170239369277098203259344385326444480494219275255422260805073804688787363599356913361304225677051041711016924182652720096693420558256117296472937331033453819310780965067172586394039147649781185647725319413370585937139997325768516850085487231494569086438257732240108640566568559917178865010518046832101683590036133199346433027487016390218023395222444589671 (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.