Q: Is 1,200,666 a Prime Number?
A: No, 1,200,666 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 1200666 can be evenly divided by 1 2 3 6 97 194 291 582 2,063 4,126 6,189 12,378 200,111 400,222 600,333 and 1,200,666, with no remainder.
Since 1,200,666 cannot be divided by just 1 and 1,200,666, it is not a prime number.