Q: Is 133,591 a Prime Number?
A: No, 133,591 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 133591 can be evenly divided by 1 103 1,297 and 133,591, with no remainder.
Since 133,591 cannot be divided by just 1 and 133,591, it is not a prime number.