Factor Info

ID 150287
Size 411 digits / 1365 bits
Status composite
Value 645503538549043921907178161607234418563710889963802035285296620075722362481818825290882755464595781224842472116940556885149221173773586406820030080491713498298568353196170973488366469812063223859438452715299259785516209386106778447643840271227908351762825613894521835273816082898351133193788239703045054999670702971688923003984652742547113580897410450237068761517210483542888453984034423835718924914784749089687

Factorizations

Primary (ID: 150288) 3080287596677813744596687 (proven prime)
(ID: 150289) 209559503224711751983633538734597028125742032391604328822064113427862780576345738861082701777357353405936182558813827729404094720467209143361617638811971854109291571062097416830364466901296300356314860885315581524450892556983563240753006686913103457698704395775613941069164563749878367406710132366572571181675115020629431291434840854384492836931359593740779575857303017832206776495139001 (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.