Q: Is 667,407 a Prime Number?
A: No, 667,407 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 667407 can be evenly divided by 1 3 13 39 109 157 327 471 1,417 2,041 4,251 6,123 17,113 51,339 222,469 and 667,407, with no remainder.
Since 667,407 cannot be divided by just 1 and 667,407, it is not a prime number.