Q: Is 342,558 a Prime Number?
A: No, 342,558 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 342558 can be evenly divided by 1 2 3 6 9 18 19,031 38,062 57,093 114,186 171,279 and 342,558, with no remainder.
Since 342,558 cannot be divided by just 1 and 342,558, it is not a prime number.