Q: Is 721,364 a Prime Number?
A: No, 721,364 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 721364 can be evenly divided by 1 2 4 7 14 28 25,763 51,526 103,052 180,341 360,682 and 721,364, with no remainder.
Since 721,364 cannot be divided by just 1 and 721,364, it is not a prime number.