Q: Is 135,665 a Prime Number?
A: No, 135,665 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 135665 can be evenly divided by 1 5 43 215 631 3,155 27,133 and 135,665, with no remainder.
Since 135,665 cannot be divided by just 1 and 135,665, it is not a prime number.