Q: Is 135,439 a Prime Number?
A: No, 135,439 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 135439 can be evenly divided by 1 17 31 257 527 4,369 7,967 and 135,439, with no remainder.
Since 135,439 cannot be divided by just 1 and 135,439, it is not a prime number.