Q: Is 637,242 a Prime Number?
A: No, 637,242 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 637242 can be evenly divided by 1 2 3 6 106,207 212,414 318,621 and 637,242, with no remainder.
Since 637,242 cannot be divided by just 1 and 637,242, it is not a prime number.