Factor Info

ID 131407
Size 750 digits / 2491 bits
Status composite
Value 537777309988107024732534657419593070125829529848468556782173286264846640019949889336219598285168706011677384199350196107171335272335285593786707892733335490467730530167023056887367424140843372458810016980833509488225360218186490030071541804752175907124597074002805423688483977617965847029327209879847071637009125995363280049036567158510613415611305051691837167138811610545526464471098991767327630929752699984382232080795728279653926972280183091819287781240189732779186118819943400861821652496958232224720067996218545588431155890021376823653565922038035253573300313319833081830796422995729679476591822769633115577073087781435704939440468026032973031930392153087232997736946553155266781655189574945988342349152523500979134843291581913789862048972033051

Factorizations

Primary (ID: 45946) 535561010671250614836347175629802461132834180017841829321211013419430031638276252519607920590460744993880465536450144064713 (proven prime)
(ID: 131408) 1004138276074426309594244503105401689316455205120702362010752394881345126128199569527211773840476275318490530937752683721882824734337315574453724159911268539393131044931142586518158894783417065418699639552434101948207678297744641922298673828142305365585999958541221515284757665661512618708044681715039205901276631517455153223163517041922634692684575672664129691776080806258565878635862201080517276668765120191295106678226721008777162206524897666501034214083819577142912637194617368134354065922078996690772753365529661974711384630751815084737091324130193202506387852071938664423945256769566887602368106240225106617194135754866627 (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.