Factor Info

ID 157921
Size 855 digits / 2839 bits
Status composite
Value 279902150680673078414818517516516470558221285141364272674426188212697516732405236782611217198515083770504848332196078416045945774929515419463886796739173723787877508434186301620480004114597894028018986474568303596401161242009762908436385151924597811504926213416135983114683230311826807490564763517658445632983376292353617560711621063966344084767676590056174875374087986430059606409209841632054030304000988205955344789079180199596132721325584457929199619174092584033208967798108274050390854249893272746682159364879621834001522173974274827558984935218737002919365554979442452704859542972478082284083115703812365473083526154403883813635045725637596495319778871493335984502256824183756765869461911413884739429680625768454538074823870432236223573894840982665434411335353291008438873999319595337563704422076516229469773426962539591572351577202009571740554049001

Factorizations

Primary (ID: 10517) 573759820507018639639785001 (proven prime)
(ID: 157922) 487838535701802624797647668658933229561596637085123378173380408277884600752120094479195324205592335270409125788019331955405214273306347771094307981562281876575833864700056102364915811230793993062475404027851298811678827903452352312909454619871521975760305156125430263656239042098513916761155171712131208612930987075740566284491286005580906956493529015359296192888669194591891678157995359428128976156313067040834587967180654496365738381665928320475403214144942183717100767423990813387448423792079869353429283045197995487581956871485087724339602734509050719979324913194652211245971750305972127927753892411759625209186975486154274413812085774353948351176872516528287764528257873910312990619353900484130602127487701977687843604304062392961578102797195368800855875493614281242388431503102980040045228879442006232761777478107674264001 (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.