Q: Is 135,873 a Prime Number?
A: No, 135,873 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 135873 can be evenly divided by 1 3 9 31 93 279 487 1,461 4,383 15,097 45,291 and 135,873, with no remainder.
Since 135,873 cannot be divided by just 1 and 135,873, it is not a prime number.