Factor Info

ID 131244
Size 621 digits / 2063 bits
Status composite
Value 959183805491109649953590941495433763728554029663202498608308483152245710591964888697616909431328749342011452471416800883542020727440347323151772900158670920864347520445211834436003429177120347339071232933098699089618389066451123731791637035267609178325103466387613369924531828004731539582987973431935685118991683820303759980737674965815559335260341314341291841110662488311562277503872312755800148955118111650155920113360476171726244461691113181481046508940434086391452508694847075839558389934779012373294876869984597099128100803304543153933869266912542834707833938774000863104822768789487286485735829803567989743060527343

Factorizations

Primary (ID: 48081) 644492860986012343230889815365681 (proven prime)
(ID: 131245) 1488276850768603247134423080597096525585331102422909788344521778479110761477764154296894149755987733597119276028715900664247258918273087240150953169526580622857222336446157278491890867870676788418941352661967299862937588884094344612647791684655517447744883078042157467202243007159336673758831098828802651426757721382300511935827170755160957512909523035020404852958600746740491093283362178423997937360446628639063067660215660678625696362106357380325355587736154258964116557238254701486284383941953241936438738594929142903996644915472893098217989534778507576443944224416787951471995831446303 (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.