Q: Is 638,267 a Prime Number?
A: No, 638,267 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 638267 can be evenly divided by 1 7 19 133 4,799 33,593 91,181 and 638,267, with no remainder.
Since 638,267 cannot be divided by just 1 and 638,267, it is not a prime number.