Q: Is 20,747 a Prime Number?
A: Yes, 20,747 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 20747 can be evenly divided by 1 and 20,747, with no remainder.
Since 20,747 can be divided by just 1 and 20,747, it is a prime number.