Factor Info

ID 201600
Size 84 digits / 277 bits
Status composite
Value 159990965638224086863472755811678393055179581683599486248217665958211525804010484663

Factorizations

Primary (ID: 215251) 80075971917165875585023393357 (proven prime)
(ID: 215252) 1997989681645398106846922380418145629618627948611363859 (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.