Q: Is 420,207 a Prime Number?
A: No, 420,207 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 420207 can be evenly divided by 1 3 140,069 and 420,207, with no remainder.
Since 420,207 cannot be divided by just 1 and 420,207, it is not a prime number.