Q: Is 2,991,221 a Prime Number?
A: No, 2,991,221 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 2991221 can be evenly divided by 1 31 47 1,457 2,053 63,643 96,491 and 2,991,221, with no remainder.
Since 2,991,221 cannot be divided by just 1 and 2,991,221, it is not a prime number.