Q: Is 346,378 a Prime Number?
A: No, 346,378 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 346378 can be evenly divided by 1 2 173,189 and 346,378, with no remainder.
Since 346,378 cannot be divided by just 1 and 346,378, it is not a prime number.