Q: Is 637,427 a Prime Number?
A: No, 637,427 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 637427 can be evenly divided by 1 7 41 287 2,221 15,547 91,061 and 637,427, with no remainder.
Since 637,427 cannot be divided by just 1 and 637,427, it is not a prime number.