Factor Info

ID 20839
Size 328 digits / 1087 bits
Status composite
Value 1557082741236122028854561436764209714596468653256287499504268160449191339595542670907764142602901421056081618090698265835075819422679190489478669596920649522430145827945678596930593639840286837272814168976787151885528882908435677421846896189797133302251604384932782575958567367748932869280303475280868960992740961832892945426031

Factorizations

Primary (ID: 20840) 273860673667943993469496783 (proven prime)
(ID: 20841) 5685674837432425620201828522390752676190060711880162765388134077372593651918064272704297237743220108851125939176212213242198702707607122038356220133103095329944014605088938602024582926070136879196394047870951457118509992326536532941908871178224618973115197302493957507617663343021405529985191585301857 (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.