Q: Is 638,002 a Prime Number?
A: No, 638,002 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 638002 can be evenly divided by 1 2 319,001 and 638,002, with no remainder.
Since 638,002 cannot be divided by just 1 and 638,002, it is not a prime number.