Q: Is 161,601 a Prime Number?
A: No, 161,601 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 161601 can be evenly divided by 1 3 11 33 59 83 177 249 649 913 1,947 2,739 4,897 14,691 53,867 and 161,601, with no remainder.
Since 161,601 cannot be divided by just 1 and 161,601, it is not a prime number.