Q: Is 135,143 a Prime Number?
A: No, 135,143 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 135143 can be evenly divided by 1 149 907 and 135,143, with no remainder.
Since 135,143 cannot be divided by just 1 and 135,143, it is not a prime number.