Factor Info

ID 128477
Size 783 digits / 2601 bits
Status composite
Value 681029368954728207821876913670482352972334756490362660239857109872532934713250612960220610638119984423736365930282042195040100483016700793117008172714449191614241224874206496239708974652470315000902324433753570138625625012328749850930250447841367558073540275963880584598462746175613662731634989614031882768535606880635724896003461677571399523994066477926848229507067901288541869363637429486366555122330563799588384547494636457785741881115970454282357468358192270911600665996933326711097966245249882366667192619663462568338905093785952060713871508554897708520245048111265949129190207137211964733049076590340746992035699223317195609266353641836157803934213110179643717827710778127612665479957390109329084874369178685562557655063427682648457747408222921823907497770861660286497802462307

Factorizations

Primary (ID: 47754) 1605669977173520330587008966690175978084115148759239702389198451911274055485244544639772272801 (proven prime)
(ID: 128478) 424140314408538785458295544319912882396646176143910017542160096640671114615887295288057283961529398509987482949488061277590503300540134198485148768334938665829629179956153427060618047613390202986591684646158147744337438105831690595560552062041637868439775056768795325023042703302451396766439667328513684389130021319454073648233058498477406245548365740451282648217345773556518768265612038800725150872769914404786098058017526079737659925356745386404843200575683058125824639679105071249896993268729711713977806704900343506235096173567363129202179494652192962042380096914827118986750750931618671194895930491886970549327173348141316900739083116332028343026832576534046482502881425487950587992707 (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.