Q: Is 72,111 a Prime Number?
A: No, 72,111 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 72111 can be evenly divided by 1 3 13 39 43 129 559 1,677 1,849 5,547 24,037 and 72,111, with no remainder.
Since 72,111 cannot be divided by just 1 and 72,111, it is not a prime number.