Q: Is 421,419 a Prime Number?
A: No, 421,419 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 421419 can be evenly divided by 1 3 140,473 and 421,419, with no remainder.
Since 421,419 cannot be divided by just 1 and 421,419, it is not a prime number.