Q: Is 1,228,520 a Prime Number?
A: No, 1,228,520 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 1228520 can be evenly divided by 1 2 4 5 8 10 20 40 30,713 61,426 122,852 153,565 245,704 307,130 614,260 and 1,228,520, with no remainder.
Since 1,228,520 cannot be divided by just 1 and 1,228,520, it is not a prime number.