Q: Is 722,718 a Prime Number?
A: No, 722,718 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 722718 can be evenly divided by 1 2 3 6 9 18 40,151 80,302 120,453 240,906 361,359 and 722,718, with no remainder.
Since 722,718 cannot be divided by just 1 and 722,718, it is not a prime number.