Q: Is 19,729 a Prime Number?
A: No, 19,729 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 19729 can be evenly divided by 1 109 181 and 19,729, with no remainder.
Since 19,729 cannot be divided by just 1 and 19,729, it is not a prime number.