Q: Is 316,491 a Prime Number?
A: No, 316,491 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 316491 can be evenly divided by 1 3 7 21 49 147 2,153 6,459 15,071 45,213 105,497 and 316,491, with no remainder.
Since 316,491 cannot be divided by just 1 and 316,491, it is not a prime number.