Q: Is 645,982 a Prime Number?
A: No, 645,982 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 645982 can be evenly divided by 1 2 173 346 1,867 3,734 322,991 and 645,982, with no remainder.
Since 645,982 cannot be divided by just 1 and 645,982, it is not a prime number.