Q: Is 636,677 a Prime Number?
A: No, 636,677 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 636677 can be evenly divided by 1 149 4,273 and 636,677, with no remainder.
Since 636,677 cannot be divided by just 1 and 636,677, it is not a prime number.