Q: Is 72,172 a Prime Number?
A: No, 72,172 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 72172 can be evenly divided by 1 2 4 18,043 36,086 and 72,172, with no remainder.
Since 72,172 cannot be divided by just 1 and 72,172, it is not a prime number.