Q: Is 20,971 a Prime Number?
A: No, 20,971 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 20971 can be evenly divided by 1 67 313 and 20,971, with no remainder.
Since 20,971 cannot be divided by just 1 and 20,971, it is not a prime number.