Factor Info

ID 30258
Size 477 digits / 1583 bits
Status composite
Value 253747051599136469187666683516015625957618714006036556003842101719956924462408063469104684038912303316723462329748457508219719179785581709816069414327924265037772817025686254255159308336862241186612989613126528135015202841301782253148087464417069257851316166627901002839100573657223573326245787199689431889478834762205655943061351525615100460988295808835176608934878255307729695873173519650334877021933571601974061745054692087365190987303494366175994214809561783361295219036657

Factorizations

Primary (ID: 16324) 431947226814793053965448991778881 (proven prime)
(ID: 30259) 587449197139853709352295219044882775044069513125512783072272204660450941181964693732831003032912436256157183516585102585479795818212808927527504052315568864746146095054220233955428137943209411706656284063294224462061180646134599487328137212972146641864993152834572645102179630656172921241182057499942287605632186165103791470650912916343316325794057329661189046545959507085797885060328876693566303853981242563233867965242135800343113122196389297 (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.