Q: Is 420,427 a Prime Number?
A: No, 420,427 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 420427 can be evenly divided by 1 7 17 119 3,533 24,731 60,061 and 420,427, with no remainder.
Since 420,427 cannot be divided by just 1 and 420,427, it is not a prime number.