Factor Info

ID 152165
Size 78 digits / 257 bits
Status composite
Value 178667865658498315596681498475386833573782420901251070561028012588348324765121

Factorizations

Primary (ID: 152107) 137317950448357919059 (proven prime)
(ID: 152166) 1301125345048687833278376734492484857480701989267501717019 (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.