Q: Is 40,408 a Prime Number?
A: No, 40,408 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 40408 can be evenly divided by 1 2 4 8 5,051 10,102 20,204 and 40,408, with no remainder.
Since 40,408 cannot be divided by just 1 and 40,408, it is not a prime number.