Q: Is 457,420 a Prime Number?
A: No, 457,420 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 457420 can be evenly divided by 1 2 4 5 10 20 22,871 45,742 91,484 114,355 228,710 and 457,420, with no remainder.
Since 457,420 cannot be divided by just 1 and 457,420, it is not a prime number.