Q: Is 407,878 a Prime Number?
A: No, 407,878 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 407878 can be evenly divided by 1 2 109 218 1,871 3,742 203,939 and 407,878, with no remainder.
Since 407,878 cannot be divided by just 1 and 407,878, it is not a prime number.