Q: Is 420,239 a Prime Number?
A: No, 420,239 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 420239 can be evenly divided by 1 29 43 337 1,247 9,773 14,491 and 420,239, with no remainder.
Since 420,239 cannot be divided by just 1 and 420,239, it is not a prime number.