Q: Is 1,813,680 a Composite Number?

Why is 1,813,680 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 1,813,680 can be evenly divided by 1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 33 36 40 44 45 48 55 60 66 72 80 88 90 99 110 120 132 144 165 176 180 198 220 229 240 264 330 360 396 440 458 495 528 660 687 720 792 880 916 990 1,145 1,320 1,374 1,584 1,832 1,980 2,061 2,290 2,519 2,640 2,748 3,435 3,664 3,960 4,122 4,580 5,038 5,496 6,870 7,557 7,920 8,244 9,160 10,076 10,305 10,992 12,595 13,740 15,114 16,488 18,320 20,152 20,610 22,671 25,190 27,480 30,228 32,976 37,785 40,304 41,220 45,342 50,380 54,960 60,456 75,570 82,440 90,684 100,760 113,355 120,912 151,140 164,880 181,368 201,520 226,710 302,280 362,736 453,420 604,560 906,840 and 1,813,680, with no remainder.

Since 1,813,680 cannot be divided by just 1 and 1,813,680, 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).