Factor Info

ID 156345
Size 627 digits / 2083 bits
Status composite
Value 989409765032670237488925821567452154285432586776789500222606392589191191149043429780314982903439331751028207316145823052820047004552963518538353782182258778163538900815705723661182857916310501432285416699088951147814266070843325893246307337184267262922710915106373574777911056432165816888058756432957240145151790170735463351063887160542517418603647923733000390984499357614508297553190413740304907967261423131349568182130223881955271888881801259377076708314969299104266428074946294144303832141222034150774438199532303478866409743354665887620440074516076571142603515933904023716036669335677685922022839888799445245084500566285879

Factorizations

Primary (ID: 154641) 1814503763676130449408979921 (proven prime)
(ID: 156346) 545278430852166211233052868003832503075553174373048134982186900705085010175966083245465804123471721656864479335261692559388708975431348838808963064166884269693540547670875676949125662871820535584011260001372146469725542301728690168178622507132608160128938299920965555090757568982548793455988213983393547450899640629291158725507656638703189837905476586165546114035155547662746088604932859085526316639667582955214994990982407173924836212008340740332102203462954284234716751079368616474047561693758040401475509926383512897309161374702911980174890948490526836946431434391846347474470433054296164471249799 (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.