Factor Info

ID 151028
Size 771 digits / 2559 bits
Status composite
Value 181472463535118943605561677199646981367472868135601970016932698522117068755900933232914969593010251624760875465235020736876653845976105568575759219647749011396180480960755588704677188780440387199496435370640965939806980956668707564209155773738772576956625527481267206178392177784432516210290748854265661761864857086935970013323910312980549734517870772445691325002867343216004755976515703466192418007690390611445677552484463161944866071199987080312188689648229574856216961921024685498341296349098693578673735593371474210854567475326952424555293477872919493341110553394269773001627848456801451920938687500058932057926065651952431559718666681245479553348151163900432314313681846026553718851085281589225052015497730288602213044281372511891902436959124398573908029382112605431

Factorizations

Primary (ID: 149617) 1173922372300235340427 (proven prime)
(ID: 151029) 154586425659078107655669785382251841484229298071284006297797594386673291941382656565356939947675419363081659002116888978222965981564212993456084782407677526973169566574652986499979752553200963243146133467495304351934397171145920723247903553627892015690363142059682803965550414763027943940983184169038652128005530720018513725931739395058450917296471558962601288607018166930042781403693016507040978584993192346743205005366850596497107493867430953236904273424333804880456791385739556122352917935142813002101419381436878090682618507383517758003194789399609893448837097461552568433368297311274775766364521088202236129489869534739901631339057751648253703627878805628258830199705396303901754754763623077170497727772695187534383178257277791789427124531296453 (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.