Q: Is 20,485 a Prime Number?
A: No, 20,485 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 20485 can be evenly divided by 1 5 17 85 241 1,205 4,097 and 20,485, with no remainder.
Since 20,485 cannot be divided by just 1 and 20,485, it is not a prime number.