Factor Info

ID 143216
Size 45 digits / 150 bits
Status composite
Value 778160086062453249956496300979965327760220581

Factorizations

Primary (ID: 143143) 6270901978304294694901 (proven prime)
(ID: 143217) 124090615473609167293681 (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.