Factor Info

ID 81610
Size 323 digits / 1072 bits
Status composite
Value 28278226454137563770261260363297569281321625788877273037155784807583692665871458644431680422738930206440677106795243056668757525126051290649257459356664650290540485672798489678172457117299881459773467737478269837511084622989121584157090436009681040864111305828304584418964037266502077471238160293859546019212564734221454343

Factorizations

Primary (ID: 81611) 3520351285864084487536622538292937 (proven prime)
(ID: 81612) 8032785411980997374828177948605233567244766763020123653548580160133853945011604673564946868440769858559961938298002246528707148678656058362337498157698357820029063779268199101822131588003558423372034727332447666461122363584833491333104822385679128623589494468787129515542095922758566415439 (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.