Q: Is 422,320 a Prime Number?
A: No, 422,320 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 422320 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 5,279 10,558 21,116 26,395 42,232 52,790 84,464 105,580 211,160 and 422,320, with no remainder.
Since 422,320 cannot be divided by just 1 and 422,320, it is not a prime number.