Q: Is 1,216,921 a Prime Number?
A: No, 1,216,921 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 1216921 can be evenly divided by 1 41 67 443 2,747 18,163 29,681 and 1,216,921, with no remainder.
Since 1,216,921 cannot be divided by just 1 and 1,216,921, it is not a prime number.