Q: Is 80,420 a Prime Number?
A: No, 80,420 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 80420 can be evenly divided by 1 2 4 5 10 20 4,021 8,042 16,084 20,105 40,210 and 80,420, with no remainder.
Since 80,420 cannot be divided by just 1 and 80,420, it is not a prime number.