Q: Is 162,991 a Prime Number?
A: No, 162,991 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 162991 can be evenly divided by 1 389 419 and 162,991, with no remainder.
Since 162,991 cannot be divided by just 1 and 162,991, it is not a prime number.