Q: Is 161,143 a Prime Number?
A: No, 161,143 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 161143 can be evenly divided by 1 17 9,479 and 161,143, with no remainder.
Since 161,143 cannot be divided by just 1 and 161,143, it is not a prime number.