Q: Is 3,666,666 a Prime Number?
A: No, 3,666,666 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 3666666 can be evenly divided by 1 2 3 6 611,111 1,222,222 1,833,333 and 3,666,666, with no remainder.
Since 3,666,666 cannot be divided by just 1 and 3,666,666, it is not a prime number.