Factor Info

ID 28105
Size 625 digits / 2074 bits
Status composite
Value 1639145274921764208837819048721977801773434644646674977565036134012672426687819430319520813694626123019077317047198952522741609230621305819316856393272884078689599892720845914562891983095895959112180245234745786193113354259008373537689255746306792750338163795810637336589651316099863586438775832690704127908212132020238248175027100202262292162122779882594417866399019754706316281575089327687056384450500746510665930925758028065227533273568181428085351965929607038757451738067185997327319619130183255688611630138985682394228834333207817278696826535162933302090500885633866865030110291219207975035406449979082476429414010202319

Factorizations

Primary (ID: 2144) 900900900900990990990991 (proven prime)
(ID: 28106) 1819451255162976326684462828254214362055923767276975350178318790659810888974660084782582730594447848531515529311710379802833529892854072989348627160898667536088636120680258492566066714500826701140485063879786629159700833159732685745652809012817643074647222592514252593178830789139304772725601312021101130453865629173405948700351436090984817422287700184423214151836295383431825598777864452809800965976518860751597003343506591686879603758521959989732971617386852930639432846631796339880132291206186934267274891959524467906528710990321104713009766278272445085481581608447381279298126830309574955132457409 (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.