Factor Info

ID 81478
Size 291 digits / 966 bits
Status composite
Value 507169090671854350155362442991768551253063207931569871043732696740968762005555593733089733601267048416718657425748053753976503201421995558922357493531077800662219345301988393732853621475554278540699020792147411441795162534560326012609981038025525703784600776195760588712815702763190550153139

Factorizations

Primary (ID: 57165) 71246710261900509347856740878394240608589 (proven prime)
(ID: 81479) 7118491349390278371615145415754998225023667325773964667980567340732800008238605258254305830024981212049373923102930301892620476807463384006207196272290449277751129028460660792300938156866169469865816607000239558846056069941561996499578680958887965951 (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.