Q: Is 638,929 a Prime Number?
A: No, 638,929 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 638929 can be evenly divided by 1 71 8,999 and 638,929, with no remainder.
Since 638,929 cannot be divided by just 1 and 638,929, it is not a prime number.