Q: Is 135,309 a Prime Number?
A: No, 135,309 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 135309 can be evenly divided by 1 3 23 37 53 69 111 159 851 1,219 1,961 2,553 3,657 5,883 45,103 and 135,309, with no remainder.
Since 135,309 cannot be divided by just 1 and 135,309, it is not a prime number.