Q: Is 342,728 a Prime Number?
A: No, 342,728 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 342728 can be evenly divided by 1 2 4 8 42,841 85,682 171,364 and 342,728, with no remainder.
Since 342,728 cannot be divided by just 1 and 342,728, it is not a prime number.