Factor Info

ID 128981
Size 541 digits / 1797 bits
Status composite
Value 7138828885656403993351824511177744413073176475348733136889048473502122786618356894435152665376234925330383520021745667702101917360748579665973795856843221003739926431337196346131616064011903030483416256426262655664311887788613454409344685699856373258132582927959457925151797594919009442466304893778628015595415003663586568344691148218068792530262602230222619194960834880456555656202617019984250517036456299906035253188645624082982939886718607437604276431482339007768990722875724323143479946909132196632816168179848582011262692525288604123467

Factorizations

Primary (ID: 47802) 383176694621197925772333610321177755720526939825549804053218715802048670467 (proven prime)
(ID: 128982) 18630644780507151877821745001731571856174580141294793531493799905883616671071955692513036747454630991339991194447287448716677290316048685011378417350828649375570662419483077142132824106201143577280284217623085397196429342337253473516437056451212337593288533930984268120279817607748164222956247952368663426761103349133083452658135595922883727455786526387299544152994059574490777780073820245117503771751125169764020750660534303281012355442706447911962806141168813759001 (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.