Q: Is 135,321 a Prime Number?
A: No, 135,321 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 135321 can be evenly divided by 1 3 43 129 1,049 3,147 45,107 and 135,321, with no remainder.
Since 135,321 cannot be divided by just 1 and 135,321, it is not a prime number.