Q: Is 420,939 a Prime Number?
A: No, 420,939 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 420939 can be evenly divided by 1 3 9 46,771 140,313 and 420,939, with no remainder.
Since 420,939 cannot be divided by just 1 and 420,939, it is not a prime number.