Q: Is 667,607 a Prime Number?
A: No, 667,607 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 667607 can be evenly divided by 1 17 173 227 2,941 3,859 39,271 and 667,607, with no remainder.
Since 667,607 cannot be divided by just 1 and 667,607, it is not a prime number.