Q: Is 129,666 a Prime Number?
A: No, 129,666 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 129666 can be evenly divided by 1 2 3 6 21,611 43,222 64,833 and 129,666, with no remainder.
Since 129,666 cannot be divided by just 1 and 129,666, it is not a prime number.