Factor Info

ID 16726
Size 125 digits / 414 bits
Status composite
Value 21207295525042162472855035774554920983369112003734609627857536220273502483799182230278455059875669788781250517331923137534301

Factorizations

Primary (ID: 16727) 4732858648953373926861365363761501 (proven prime)
(ID: 16728) 4480863912919087806330780140801129765202723991554285441047231975205200729827336556186572801 (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.