Q: Is 1,229,320 a Prime Number?
A: No, 1,229,320 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 1229320 can be evenly divided by 1 2 4 5 8 10 20 40 73 146 292 365 421 584 730 842 1,460 1,684 2,105 2,920 3,368 4,210 8,420 16,840 30,733 61,466 122,932 153,665 245,864 307,330 614,660 and 1,229,320, with no remainder.
Since 1,229,320 cannot be divided by just 1 and 1,229,320, it is not a prime number.