Q: Is 671,228 a Prime Number?
A: No, 671,228 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 671228 can be evenly divided by 1 2 4 17 34 68 9,871 19,742 39,484 167,807 335,614 and 671,228, with no remainder.
Since 671,228 cannot be divided by just 1 and 671,228, it is not a prime number.