Q: Is 163,378 a Prime Number?
A: No, 163,378 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 163378 can be evenly divided by 1 2 81,689 and 163,378, with no remainder.
Since 163,378 cannot be divided by just 1 and 163,378, it is not a prime number.