Q: Is 199,743 a Prime Number?
A: No, 199,743 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 199743 can be evenly divided by 1 3 139 417 479 1,437 66,581 and 199,743, with no remainder.
Since 199,743 cannot be divided by just 1 and 199,743, it is not a prime number.