Factor Info

ID 218
Size 51 digits / 168 bits
Status composite
Value 320156507254145236516597952299281816465447350126213

Factorizations

Primary (ID: 219) 3531495042124863863141 (proven prime)
(ID: 32) 90657498718024645326392940193 (proven prime)

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.