Factor Info

ID 131243
Size 654 digits / 2172 bits
Status composite
Value 396586049212147151604281934421541898114895178747935104143579133700587201355467415991182232113770837233515352303107958096095158960286951105937860713414953335076678957560039343321653535352949783299168539999328851325690919248038272944875263190326358567240637565669644603558733181898592293748699564215764011771628002151259816424770236532216913948888246585346098775807591379428328571513094197553139355799169146539311186482894433799376763764645580382207288803415011956388515843466567915568901037231312728458675815019631052321316560160081723710934576299916219076191012424034099408065137350235305707728710145275987075310461670325248521522153450122742433905851503

Factorizations

Primary (ID: 116542) 413461994397509637130088322901121 (proven prime)
(ID: 131244) 959183805491109649953590941495433763728554029663202498608308483152245710591964888697616909431328749342011452471416800883542020727440347323151772900158670920864347520445211834436003429177120347339071232933098699089618389066451123731791637035267609178325103466387613369924531828004731539582987973431935685118991683820303759980737674965815559335260341314341291841110662488311562277503872312755800148955118111650155920113360476171726244461691113181481046508940434086391452508694847075839558389934779012373294876869984597099128100803304543153933869266912542834707833938774000863104822768789487286485735829803567989743060527343 (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.