Q: Is 19,842 a Prime Number?
A: No, 19,842 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 19842 can be evenly divided by 1 2 3 6 3,307 6,614 9,921 and 19,842, with no remainder.
Since 19,842 cannot be divided by just 1 and 19,842, it is not a prime number.