Factor Info

ID 51379
Size 530 digits / 1761 bits
Status composite
Value 71879760428462612909492354029890003027449215554576195753148473703543693272694210254419116862859585632175400690899481879464120860033266491259260018014255343702738020817064182597388959100565073342569764592120511022485349058189059770431100922975607345965125529191408688736229920229825127847239259086132757506873439120231310544567990939999041449355575785085497021663111186116761854510529769508705206049486441562511904676267126451103317903942310363225622720567568724785432684989127764178761169593924983771613311734723899012843451596191

Factorizations

Primary (ID: 73135) 616346818465450400938401858863608277357 (proven prime)
(ID: 74363) 116622262458375722627479911329437658179528957016605625299113565363923247809937312588626627397093992341416518563841516346773103084043740113958423592264915729561665817408066160486243071103902275581670980451113538342362278271314799363117554691925908517356146874214350051319662750766911976045243224129801972569033110859645692153213839223412769085500657265930472416635772453274631215691019680790625034869293415662147021961130805508875994544766953487347013095842947612747730095912655300128109791163 (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.