Factor Info

ID 91139
Size 558 digits / 1852 bits
Status composite
Value 278759635294399198263518770723508733765929081485275487536812102850712331495128554804764442426606000751455048738706748508803341229863075755413591911600208857304652016345829094085078141944035725839274166904516394103911698711020776977952901783136565735418024958372595567518781827321867123757535122204538395187954976180384749848284728814566102054822367412488829341669078444743185744688575497024860012488569675965596296679280080225392938133883372996031881013761363095121208334394522734195119117271868114141096395868145612369830521714773551993272335246759303347441

Factorizations

Primary (ID: 89795) 166443696917018148599711150670340452472359763769837566202297165170932079 (proven prime)
(ID: 91140) 1674798388030140121343730795559831669123680063444487440116551008270888217988099615731631251179089242691156357574878274310739084021050476737724639202952411488798631558235978605958650014200912546317804213265110978478845151257596932436817883944357073193175690126922643516670717632728693820606236989601156785645905427466361660549290472425639278178735680568430623808678298360567744318982442157623712413570343342767655053479460813827570784918159299276175906278184423204125277566276623501950879 (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.