Q: Is 2,642,661 a Prime Number?
A: No, 2,642,661 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 2642661 can be evenly divided by 1 3 7 9 21 63 41,947 125,841 293,629 377,523 880,887 and 2,642,661, with no remainder.
Since 2,642,661 cannot be divided by just 1 and 2,642,661, it is not a prime number.