Factor Info

ID 172949
Size 780 digits / 2590 bits
Status composite
Value 304373695723801033664236305282089624755339540178556672942611566951134042144560373814366664841483181805963138806708171716910231613529855209234708114740794026959826015130164503206085147328652882887866480945599864856930139300000483870318611320817850046062459820527291496201434890287849574971241879201368345462328373119695693452040839278154247629468881373731560792540202312810613366799571725083735784197236253608429263171098397456644665307939532208627831884007099669812974752489373679413624905084169811638859915559038620842422917414718628678336936267099807129506799046368913641714420221867669055622976555614733971666571346956056340214914250321452384155716651981534635111691606676298802853600380654737400622987409253394081262305361938853719746896656454763696226782388371065693609463051

Factorizations

Primary (ID: 171591) 4741452780286064581317294616897226875716833114040974237760204567314205729171615933045391390623347774841829846135775470429189937724642338179521097882949887 (proven prime)
(ID: 172950) 64194184742136639201745234988780832668991096806549631169372295830841057770685405217491250502404486624043355579394944828926812705550835337358411364022915179027541482574409894087423467279000420400195222699429283612324658107438783502300321921721568286155816980884824339051758587527915276042514741193400590558862670691750425883515785439691967004921632899521476116928518504060086190815874427639309262480271494187993818083063210668356227009425165539243820176299764612011670381642500196597376080328074054633493794006903394850195147050091801424539322138279681398394366308635160384936827069415375120888293852369589415751581887407529973 (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.