Q: Is 342,778 a Prime Number?
A: No, 342,778 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 342778 can be evenly divided by 1 2 367 467 734 934 171,389 and 342,778, with no remainder.
Since 342,778 cannot be divided by just 1 and 342,778, it is not a prime number.