Q: Is 637,964 a Prime Number?
A: No, 637,964 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 637964 can be evenly divided by 1 2 4 159,491 318,982 and 637,964, with no remainder.
Since 637,964 cannot be divided by just 1 and 637,964, it is not a prime number.