Q: Is 161,973 a Prime Number?
A: No, 161,973 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 161973 can be evenly divided by 1 3 7 9 21 27 63 189 857 2,571 5,999 7,713 17,997 23,139 53,991 and 161,973, with no remainder.
Since 161,973 cannot be divided by just 1 and 161,973, it is not a prime number.