Q: Is 19,789 a Prime Number?
A: No, 19,789 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 19789 can be evenly divided by 1 7 11 77 257 1,799 2,827 and 19,789, with no remainder.
Since 19,789 cannot be divided by just 1 and 19,789, it is not a prime number.