Factor Info

ID 144728
Size 844 digits / 2802 bits
Status composite
Value 2551398241141025884368236888304306037994321866939585631214717709362668568543921931839657984715503234810730779741158678424130533662111141669703038845844120641902965584534224926994750492403217354845816874657505271157493155170553962467393533562841980114400660673367226522834114490931241211994843731025111521963414874049166265508578859661926389276522666425775121513216810153240350476131524924019038690103043271150159659702389735900901093684540497295338784089405102536211927022821308393501953513815386819267728702154358755268349789348031641419923598571725347255083965787110124907561271898083042898398774988388206881540557637454511767281109956360588134228790549296500433833486940861552008503274818214653813569168876912944784879037501868899420710391389519217299487091651970119672187290550703012664029386820591507594396521357537131436324007755477546841

Factorizations

Primary (ID: 145422) 8357437609145317251268874113 (proven prime)
(ID: 180583) 305284748802563599708464139872143738041074748901563943777510626316492126983985122201620143475959793177969208668486299559929004569233941154475607631766675385167830459842679534359466450546559750582220445643734476412679969285956191029342472029622585426786223687792283984307418499885521638018628832028977108136381812822318171030616459448399400395031892224674807599494308485157952792102346100922921412406079028798360483628860849619399641499179986637032154896758720852764296992537275351773106511351119734774106968272681684151695137368703102347001092975441953996404544793830200211841680560717988995940795695631671494285083855801328725578080947053713848411242309595263974594730716371850322184659946502147902810327161457453890446682510947267982663979952709284127116262806384434605861332832673076039942450494980458998128464857 (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.