Q: Is 1,220,807 a Prime Number?
A: No, 1,220,807 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 1220807 can be evenly divided by 1 7 19 67 133 137 469 959 1,273 2,603 8,911 9,179 18,221 64,253 174,401 and 1,220,807, with no remainder.
Since 1,220,807 cannot be divided by just 1 and 1,220,807, it is not a prime number.