Q: Is 19,931 a Prime Number?
A: No, 19,931 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 19931 can be evenly divided by 1 19 1,049 and 19,931, with no remainder.
Since 19,931 cannot be divided by just 1 and 19,931, it is not a prime number.