Q: Is 161,131 a Prime Number?
A: No, 161,131 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 161131 can be evenly divided by 1 269 599 and 161,131, with no remainder.
Since 161,131 cannot be divided by just 1 and 161,131, it is not a prime number.