Q: Is 1,123,920 a Composite Number?

Why is 1,123,920 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 1,123,920 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 56 60 63 70 72 80 84 90 105 112 120 126 140 144 168 180 210 223 240 252 280 315 336 360 420 446 504 560 630 669 720 840 892 1,008 1,115 1,260 1,338 1,561 1,680 1,784 2,007 2,230 2,520 2,676 3,122 3,345 3,568 4,014 4,460 4,683 5,040 5,352 6,244 6,690 7,805 8,028 8,920 9,366 10,035 10,704 12,488 13,380 14,049 15,610 16,056 17,840 18,732 20,070 23,415 24,976 26,760 28,098 31,220 32,112 37,464 40,140 46,830 53,520 56,196 62,440 70,245 74,928 80,280 93,660 112,392 124,880 140,490 160,560 187,320 224,784 280,980 374,640 561,960 and 1,123,920, with no remainder.

Since 1,123,920 cannot be divided by just 1 and 1,123,920, 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).