Q: Is 6,721,508 a Prime Number?
A: No, 6,721,508 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 6721508 can be evenly divided by 1 2 4 1,680,377 3,360,754 and 6,721,508, with no remainder.
Since 6,721,508 cannot be divided by just 1 and 6,721,508, it is not a prime number.