Factor Info

ID 87963
Size 536 digits / 1780 bits
Status composite
Value 55167023654555762415151017238679852243565977015023087823916768582080076702065000247546863525617326944944954505015999983240340657575417653117278801233281781705659617947552128122150961355710521665983254092098851496792595640673715206548552892001287510149439323341084857148471627224350442715226378450129774317010317098610198773074700570354629684326547265842927412254341048408423189149025065923276918586633872461664162451139145230174809534872693349681949484514515375413221207991645443045244225560093054776813481381682945819925503017134718587

Factorizations

Primary (ID: 3196) 64374964789425759023795123420605218308370931223311543823123770088423 (proven prime)
(ID: 87964) 856963942970847351143614921462205717337515624547503962247176164965839150228206436878830386865606278499353498882079046404742965600001277266845660864100805714246524820552562285716072158308487315507418470841443491525437079265307626965493569487796833468149620492559889716698989897034483970504878454628905024140263017541501507773115459074713199835554857583912804921841131538392857108761226972548950501426199701161756201856317515866952503829879533503713580989413296351073869 (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.