Factor Info

ID 80978
Size 840 digits / 2789 bits
Status composite
Value 221745475565434842529703683335675254976579202139551947560708959882761564636198578921398484426983055861127930257095570164282523518378593805770107841930950898840428775144031590131765646985877746116899622757268692227176025739799077225002172660724284573419283454009366247576096196290868911082255609731022352346110254774200983555906616602882284567795149204500987548623749826699573146372109749575381099179420658624486309295345598717957368272415631451518542684935751003007479817019199924858376906061853970045200664043838755371739775530734721445786683418813069681828765236742372678563287550138185543762320007060919202923966236735655870633804086779409241138689280375885204906273454835441777162842512304323162056250266807855470325240705176915125677372945401298289065531814751106000841817315881782673449225294707591927061411870758896395227355753329057

Factorizations

Primary (ID: 78981) 3467844468281740045006949450166857306247294973804393303875730069 (proven prime)
(ID: 80979) 63943316257002172373539760733071253969626105887566223735922949779037481232990113366889811855781003346011557416858616577239721004450260610299517033046331503694307731787223461016165446148914363033568380736900771605796562939447110993047520217257825084476866212549801149867323671563423391991953235467721836092522923606535954505417054341055504510000708674049736609181654246084162449565947779120276558811686838241169513250479846063426853216917579970525792809817448178608481322884403184323814447850373655453372945981795773830237656590984652727639970712174841031594522571973625031462087973565764657531667081298152868314501567476761657786988815865487727934090981770532487853497311688663913743237319817288960945590073866350657606483875881041135400937740429978610162315680097159274226653 (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.