Q: Is 2,666,672 a Prime Number?
A: No, 2,666,672 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 2666672 can be evenly divided by 1 2 4 8 16 166,667 333,334 666,668 1,333,336 and 2,666,672, with no remainder.
Since 2,666,672 cannot be divided by just 1 and 2,666,672, it is not a prime number.