Q: Is 665,167 a Prime Number?
A: No, 665,167 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 665167 can be evenly divided by 1 31 43 499 1,333 15,469 21,457 and 665,167, with no remainder.
Since 665,167 cannot be divided by just 1 and 665,167, it is not a prime number.