Q: Is 2,666 a Prime Number?
A: No, 2,666 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 2666 can be evenly divided by 1 2 31 43 62 86 1,333 and 2,666, with no remainder.
Since 2,666 cannot be divided by just 1 and 2,666, it is not a prime number.