Q: Is 2,793,780 a Composite Number?

Why is 2,793,780 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 2,793,780 can be evenly divided by 1 2 3 4 5 6 9 10 11 12 15 17 18 20 22 30 33 34 36 44 45 51 55 60 66 68 83 85 90 99 102 110 132 153 165 166 170 180 187 198 204 220 249 255 306 330 332 340 374 396 415 495 498 510 561 612 660 747 748 765 830 913 935 990 996 1,020 1,122 1,245 1,411 1,494 1,530 1,660 1,683 1,826 1,870 1,980 2,244 2,490 2,739 2,805 2,822 2,988 3,060 3,366 3,652 3,735 3,740 4,233 4,565 4,980 5,478 5,610 5,644 6,732 7,055 7,470 8,217 8,415 8,466 9,130 10,956 11,220 12,699 13,695 14,110 14,940 15,521 16,434 16,830 16,932 18,260 21,165 25,398 27,390 28,220 31,042 32,868 33,660 41,085 42,330 46,563 50,796 54,780 62,084 63,495 77,605 82,170 84,660 93,126 126,990 139,689 155,210 164,340 186,252 232,815 253,980 279,378 310,420 465,630 558,756 698,445 931,260 1,396,890 and 2,793,780, with no remainder.

Since 2,793,780 cannot be divided by just 1 and 2,793,780, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).