Q: Is 721,412 a Prime Number?
A: No, 721,412 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 721412 can be evenly divided by 1 2 4 17 34 68 103 206 412 1,751 3,502 7,004 10,609 21,218 42,436 180,353 360,706 and 721,412, with no remainder.
Since 721,412 cannot be divided by just 1 and 721,412, it is not a prime number.