Q: Is 864 a Prime Number?
A: No, 864 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 864 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 and 864, with no remainder.
Since 864 cannot be divided by just 1 and 864, it is not a prime number.