Q: Is 2,788,320 a Prime Number?
A: No, 2,788,320 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 2788320 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 37 40 48 60 74 80 96 111 120 148 157 160 185 222 240 296 314 370 444 471 480 555 592 628 740 785 888 942 1,110 1,184 1,256 1,480 1,570 1,776 1,884 2,220 2,355 2,512 2,960 3,140 3,552 3,768 4,440 4,710 5,024 5,809 5,920 6,280 7,536 8,880 9,420 11,618 12,560 15,072 17,427 17,760 18,840 23,236 25,120 29,045 34,854 37,680 46,472 58,090 69,708 75,360 87,135 92,944 116,180 139,416 174,270 185,888 232,360 278,832 348,540 464,720 557,664 697,080 929,440 1,394,160 and 2,788,320, with no remainder.
Since 2,788,320 cannot be divided by just 1 and 2,788,320, it is not a prime number.