Q: Is 72 a Prime Number?
A: No, 72 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 72 can be evenly divided by 1 2 3 4 6 8 9 12 18 24 36 and 72, with no remainder.
Since 72 cannot be divided by just 1 and 72, it is not a prime number.