Q: Is 721,460 a Prime Number?
A: No, 721,460 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 721460 can be evenly divided by 1 2 4 5 10 20 36,073 72,146 144,292 180,365 360,730 and 721,460, with no remainder.
Since 721,460 cannot be divided by just 1 and 721,460, it is not a prime number.