Q: Is 166,940 a Prime Number?
A: No, 166,940 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 166940 can be evenly divided by 1 2 4 5 10 17 20 34 68 85 170 340 491 982 1,964 2,455 4,910 8,347 9,820 16,694 33,388 41,735 83,470 and 166,940, with no remainder.
Since 166,940 cannot be divided by just 1 and 166,940, it is not a prime number.