Factor Info

ID 164864
Size 769 digits / 2552 bits
Status composite
Value 1281709288977128994519744652893874870274924209571239430843839062494115274026228957228751940281451887300948659127138702543313781046931991262437958519527400018986735986919067768665568642167059688499011416121774242241032456296191607509514523776342247791459341133844282380523409168399647252282272439626924975992751457570481659514391796090601175571368988779312144538940950356694808860008028801944151749705528170917938504513772172045238904553923711219239050274692645609930753214676299490060128291775069099736791722381123303619324418086373807229662364513388586897507095822719836585006674455308771838862140523122572982456747825138395749913779822918734704429392297223810894870641055901404751506917392919306787155113552861951353878951537033793490779464682477503689499450753902033

Factorizations

Primary (ID: 163527) 455914145581257265993 (proven prime)
(ID: 164865) 2811295287499893607838273116363659486263475213398594792554307810796156199427175211061579158490061005832284858837369869283468329784563714247691006124851039631157754661304970384182289073473312587657302540966388332736764931700213082781033894404632480213916603115563457376522783924643148510277314160506387633148922382115766068788273222200578821820867066420187212034951435310343248097702059536421170871283332046019101259017762027922056271314981806611841127287151885543989294711709860441972735215342823822714493407476593940232885117540662744950627248860893154464810731595999307306664011649639473234477510029256659446275316843499400121269533880538040320688815453589914543632418229250415172816554677872062078191068044742146245801396250911023940072933406281 (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.