Q: Is 100,666 a Prime Number?
A: No, 100,666 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 100666 can be evenly divided by 1 2 50,333 and 100,666, with no remainder.
Since 100,666 cannot be divided by just 1 and 100,666, it is not a prime number.