Q: Is 677,987 a Prime Number?
A: No, 677,987 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 677987 can be evenly divided by 1 173 3,919 and 677,987, with no remainder.
Since 677,987 cannot be divided by just 1 and 677,987, it is not a prime number.