Q: Is 20,825 a Prime Number?
A: No, 20,825 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 20825 can be evenly divided by 1 5 7 17 25 35 49 85 119 175 245 425 595 833 1,225 2,975 4,165 and 20,825, with no remainder.
Since 20,825 cannot be divided by just 1 and 20,825, it is not a prime number.