Q: Is 166,642 a Prime Number?
A: No, 166,642 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 166642 can be evenly divided by 1 2 7 14 11,903 23,806 83,321 and 166,642, with no remainder.
Since 166,642 cannot be divided by just 1 and 166,642, it is not a prime number.