Q: Is 522,161 a Prime Number?
A: Yes, 522,161 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 522161 can be evenly divided by 1 and 522,161, with no remainder.
Since 522,161 can be divided by just 1 and 522,161, it is a prime number.