Q: Is 722,440 a Prime Number?
A: No, 722,440 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 722440 can be evenly divided by 1 2 4 5 8 10 20 40 18,061 36,122 72,244 90,305 144,488 180,610 361,220 and 722,440, with no remainder.
Since 722,440 cannot be divided by just 1 and 722,440, it is not a prime number.