Q: Is 1,488,640 a Prime Number?
A: No, 1,488,640 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 1488640 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1,163 1,280 2,326 4,652 5,815 9,304 11,630 18,608 23,260 37,216 46,520 74,432 93,040 148,864 186,080 297,728 372,160 744,320 and 1,488,640, with no remainder.
Since 1,488,640 cannot be divided by just 1 and 1,488,640, it is not a prime number.