Q: Is 163,143 a Prime Number?
A: No, 163,143 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 163143 can be evenly divided by 1 3 9 18,127 54,381 and 163,143, with no remainder.
Since 163,143 cannot be divided by just 1 and 163,143, it is not a prime number.