Q: Is 2,540,320 a Prime Number?
A: No, 2,540,320 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 2540320 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 15,877 31,754 63,508 79,385 127,016 158,770 254,032 317,540 508,064 635,080 1,270,160 and 2,540,320, with no remainder.
Since 2,540,320 cannot be divided by just 1 and 2,540,320, it is not a prime number.