Factor Info

ID 137778
Size 770 digits / 2558 bits
Status composite
Value 77639668321284301238025434996953506032949018631401869217295551672684710781283240127187954428110285118390910442494762319019335411540172666861525676763991933061624473789988305045203396631922576576199521101248756003568345512319019171162256371246485916466809319199554719714043006050023175476344662489467939922089828090494302344844738933735835874060266858590857178049460903912659095884339412712870651550684607668384967775954016221793260020620387173397813268751766611557904271773651535123180460287683022875110209600588570382856197762282341999751143816003942033884925877330962089695577339662981102200245739765290789166968403018758493538046261893151887553155925761752499498873654815699336793549533032771309295208152611480244616589042036092473665633668876222243787260615866214331

Factorizations

Primary (ID: 136412) 76614476156594621168268977128460059157 (proven prime)
(ID: 172720) 1013381180895817379428293123477038558920236114857172876836814252144850036732275073076193270925666795063413810801821909617662211129072365378562753958192172160222557304723953425543786919210234383057779085552860387595465515752936803869693063184574380295580967268577476227970510708753122330766161761965432424684533040789695170925637585469657965915234549847077771266208451352006292102411689575834217166024805284106117469363652774604251281031283141395166980153246184152757650380201996657495270084676030039458977257357961542842892954296588583385598180548615430202157244945336545973868274281921305846539713012588428443071856013519907802201887686022145926659701363824490909921183914272319611031402248513694603751742265438540131477260175459983 (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.