Q: Is 40,378 a Prime Number?
A: No, 40,378 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 40378 can be evenly divided by 1 2 13 26 1,553 3,106 20,189 and 40,378, with no remainder.
Since 40,378 cannot be divided by just 1 and 40,378, it is not a prime number.