Q: Is 1,220,921 a Prime Number?
A: No, 1,220,921 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 1220921 can be evenly divided by 1 13 19 247 4,943 64,259 93,917 and 1,220,921, with no remainder.
Since 1,220,921 cannot be divided by just 1 and 1,220,921, it is not a prime number.