Q: Is 20,779 a Prime Number?
A: No, 20,779 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 20779 can be evenly divided by 1 11 1,889 and 20,779, with no remainder.
Since 20,779 cannot be divided by just 1 and 20,779, it is not a prime number.