Q: Is 161 a Prime Number?
A: No, 161 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 161 can be evenly divided by 1 7 23 and 161, with no remainder.
Since 161 cannot be divided by just 1 and 161, it is not a prime number.