Q: Is 2,078,720 a Composite Number?

Why is 2,078,720 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 2,078,720 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 29 32 35 40 56 58 64 70 80 112 116 128 140 145 160 203 224 232 256 280 290 320 406 448 464 512 560 580 640 812 896 928 1,015 1,024 1,120 1,160 1,280 1,624 1,792 1,856 2,030 2,048 2,240 2,320 2,560 3,248 3,584 3,712 4,060 4,480 4,640 5,120 6,496 7,168 7,424 8,120 8,960 9,280 10,240 12,992 14,336 14,848 16,240 17,920 18,560 25,984 29,696 32,480 35,840 37,120 51,968 59,392 64,960 71,680 74,240 103,936 129,920 148,480 207,872 259,840 296,960 415,744 519,680 1,039,360 and 2,078,720, with no remainder.

Since 2,078,720 cannot be divided by just 1 and 2,078,720, 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).