Factor Info

ID 51391
Size 547 digits / 1815 bits
Status composite
Value 1872580564385069953888106409401917610691715204391568823340140085122127271250080670288580159415300307712770938073613518876618288907372823403368826565128012753865450107482048873703765534025805796898901617170681243494423174105406923117054125947372365224054418225524211815892433408725894258948908856333015414169198811797488759913225202331981714542571154738680609849645717194527498780956745002991012648168799497361893184465068857546736351620872665313249800277786415593993273782475081940055667289635498827341650297648557926844651005582854979506206041443

Factorizations

Primary (ID: 50222) 42437717969530394595211 (proven prime)
(ID: 51392) 44125383125679683484929642818529985008727276879811129436585712609726888628131987357225268873973552882023468770454639210421368938593417531754064288801772942632243429511337864819280784256062746814124212476256089894478867975085184445149855279918428879189454703900914850967374074960464929298673653884692078349342244747034246047833710327909983222353487268207322926216194345656218486499728403496403709589742788997321420957040914112847341161414267341781811852701365373666885145000385320667569915463778331085364353569770125785496713 (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.