Q: Is 638,933 a Prime Number?
A: Yes, 638,933 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 638933 can be evenly divided by 1 and 638,933, with no remainder.
Since 638,933 can be divided by just 1 and 638,933, it is a prime number.