Q: Is 2,001,666 a Prime Number?
A: No, 2,001,666 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 2001666 can be evenly divided by 1 2 3 6 149 298 447 894 2,239 4,478 6,717 13,434 333,611 667,222 1,000,833 and 2,001,666, with no remainder.
Since 2,001,666 cannot be divided by just 1 and 2,001,666, it is not a prime number.