Q: Is 20,434 a Prime Number?
A: No, 20,434 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 20434 can be evenly divided by 1 2 17 34 601 1,202 10,217 and 20,434, with no remainder.
Since 20,434 cannot be divided by just 1 and 20,434, it is not a prime number.