Factor Info

ID 64178
Size 317 digits / 1051 bits
Status composite
Value 21574188798717147627342393415489529225521661324631993755076899098690583963720253554441165291998436011049485579188745520106182843827854976693044836429716870179448226211638200053868858879389050489185009991611241274745286987000187600488622998730497489695799462326672393811802825761026338017579837309748523380417708556993

Factorizations

Primary (ID: 63353) 28758863909916435817 (proven prime)
(ID: 64179) 750175280438601839461851017878628570814722677767717970331190691136579329264689550370554156741854018405655181951938276617607628964917389242656814454263067432440216666010294231261480766415088515532416965433750004781642208716026141001280366718419242503886675868969976923034130972878495013311651499929 (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.