Q: Is 20,320 a Prime Number?
A: No, 20,320 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 20320 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 127 160 254 508 635 1,016 1,270 2,032 2,540 4,064 5,080 10,160 and 20,320, with no remainder.
Since 20,320 cannot be divided by just 1 and 20,320, it is not a prime number.