Factor Info

ID 38072
Size 501 digits / 1663 bits
Status composite
Value 311776161372725674750199498100537473424724569624955237622334734675682019775007488373217388106893101262480599959433190626925734286284845796119018597453047376161205443153213325980534684639688553588778589819763534125771810886737166193569238058401468452229550234758980463233350158136897128886567992418776228621158472916309623706192555370617720693234211010632230351237094785770877516705075244956701821607278385210887750591557405280679050111585893868550400582851770646341790925543004302340611377527443505193

Factorizations

Primary (ID: 12864) 145874663930632468375557802096623011834491992550172582320593073 (proven prime)
(ID: 38073) 2137287949612580181747595159200373774972882026533135304459468173841008206806099600233671611979427015496469766380617387889418472316842838266854669658242258699176173319277559329832606399045590631934564598472526148989652059358637889348566421973883773988187528449367568259117452090791055213010576043158506032751562354229264820778688635811776897255017790677551697114686741330682242391087847345521360464424782358163061002264283530098177968520441 (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.