Q: Is 628,674 a Prime Number?
A: No, 628,674 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 628674 can be evenly divided by 1 2 3 6 104,779 209,558 314,337 and 628,674, with no remainder.
Since 628,674 cannot be divided by just 1 and 628,674, it is not a prime number.