Q: Is 672,309 a Prime Number?
A: No, 672,309 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 672309 can be evenly divided by 1 3 9 11 33 99 6,791 20,373 61,119 74,701 224,103 and 672,309, with no remainder.
Since 672,309 cannot be divided by just 1 and 672,309, it is not a prime number.