Q: Is 427,778 a Prime Number?
A: No, 427,778 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 427778 can be evenly divided by 1 2 13 26 16,453 32,906 213,889 and 427,778, with no remainder.
Since 427,778 cannot be divided by just 1 and 427,778, it is not a prime number.