Q: Is 722,320 a Prime Number?
A: No, 722,320 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 722320 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 9,029 18,058 36,116 45,145 72,232 90,290 144,464 180,580 361,160 and 722,320, with no remainder.
Since 722,320 cannot be divided by just 1 and 722,320, it is not a prime number.