Q: Is 40,078 a Prime Number?
A: No, 40,078 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 40078 can be evenly divided by 1 2 29 58 691 1,382 20,039 and 40,078, with no remainder.
Since 40,078 cannot be divided by just 1 and 40,078, it is not a prime number.