Factor Info

ID 153423
Size 592 digits / 1966 bits
Status composite
Value 5173501976003996064526098280443471820711707567098691785018368590204691522750444011983446156527440459894587110641927806671512021502011227537020408807523654378553932805681165713429942411317789460070071081859362320989259185743711028538674055709147478419543086713502661717797261543192093355846133236138415445549376598708196492131615514611325281342604720903844102876338516299077386075877478202800892840571748510938549673352090979235159962211031952159909954267229051264737701124407813385959411408888776028547471212986601393404780985796754443833115888340638181419590058214247298208730654288673030441

Factorizations

Primary (ID: 186518) 497451277992510250203007117292740165946763386511603881524921 (proven prime)
(ID: 187514) 10400017458758824604279254908108958868148740550790244276810999121535853896944551923005011054636396542785309396945757697436303763080538528659260236358408108803729354027898463889008834612461093666424148801625754285958338273037932560929864395315587429610394436987118524461955582654980915525997950720660144956051895231584948632319675268176313959904764869703664321450819627840341182807556538015572582164776955051297095135648566692424412256540199876453184746676998064760296667344061892226714119748191294793756159811818338705934269890715121 (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.