Factor Info

ID 128187
Size 695 digits / 2307 bits
Status composite
Value 28471495067787700575050769849333967661725160397503615078868293249821033083481229873782199687932660997297851940031951287328593020223243394822360785653675110545132557873711673931389350996104064321532253222259697294628397558309906549809335106291379399280150032619631305812850390704971444731453380408072692282081670655585077908793645897461973838424534577292728617030035739757354234759696292535006009876749265274799841032585143969272246504558716371779079276443253639887246653135467744085013329491529740239022945335810301564917954602369857585338144070424291058977098991265910140114098795004118665458380201368729914732466465843143530526153440258924470797193124944355600899250440185485424888440440609709

Factorizations

Primary (ID: 72) 198160071001853267796700692507490184570501064382201 (proven prime)
(ID: 128188) 143679273649036108813988388366596516383895775091090746091075643993439581159619147896529175089251701932811855407558665390772056239457899609435595630023921364734449339103135907611081256125983049164338893000408624219275359747450381915998792021046092062741701635917937386628058531756524853506974953705196686552967255595378619266700867821903184383385743058656970312104692964153818871730798923794254097341537841141143163825907381858337956394143334265509744722792686815224443417600256034098733026941058717317475810636599847792362559600500341144978231187978951499714305813367824981449386350116740264911328015063411063227623721574819622704061658041389909 (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.