Q: Is 118,431 a Prime Number?
A: No, 118,431 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 118431 can be evenly divided by 1 3 9 13,159 39,477 and 118,431, with no remainder.
Since 118,431 cannot be divided by just 1 and 118,431, it is not a prime number.