Q: Is 19,742 a Prime Number?
A: No, 19,742 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 19742 can be evenly divided by 1 2 9,871 and 19,742, with no remainder.
Since 19,742 cannot be divided by just 1 and 19,742, it is not a prime number.