Q: Is 135,585 a Prime Number?
A: No, 135,585 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 135585 can be evenly divided by 1 3 5 9 15 23 45 69 115 131 207 345 393 655 1,035 1,179 1,965 3,013 5,895 9,039 15,065 27,117 45,195 and 135,585, with no remainder.
Since 135,585 cannot be divided by just 1 and 135,585, it is not a prime number.