Q: Is 1,320,320 a Prime Number?
A: No, 1,320,320 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 1320320 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 2,063 4,126 8,252 10,315 16,504 20,630 33,008 41,260 66,016 82,520 132,032 165,040 264,064 330,080 660,160 and 1,320,320, with no remainder.
Since 1,320,320 cannot be divided by just 1 and 1,320,320, it is not a prime number.