Factor Info

ID 209692
Size 138 digits / 458 bits
Status composite
Value 428974618856526227849563055504952271569093630294767048407741819620676660226290158233113400438169151119645166441202177394879539568345323741

Factorizations

Primary (ID: 225456) 840998981158940897229231199258365461491861422643394848868798751793 (proven prime)
(ID: 225457) 510077453679404707513381463235291937735765343103357056982058007269961837 (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.