Q: Is 20,739 a Prime Number?
A: No, 20,739 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 20739 can be evenly divided by 1 3 31 93 223 669 6,913 and 20,739, with no remainder.
Since 20,739 cannot be divided by just 1 and 20,739, it is not a prime number.