Q: Is 438,320 a Prime Number?
A: No, 438,320 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 438320 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 5,479 10,958 21,916 27,395 43,832 54,790 87,664 109,580 219,160 and 438,320, with no remainder.
Since 438,320 cannot be divided by just 1 and 438,320, it is not a prime number.