Q: Is 1,284,720 a Composite Number?

Why is 1,284,720 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 1,284,720 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 53 60 80 101 106 120 159 202 212 240 265 303 318 404 424 505 530 606 636 795 808 848 1,010 1,060 1,212 1,272 1,515 1,590 1,616 2,020 2,120 2,424 2,544 3,030 3,180 4,040 4,240 4,848 5,353 6,060 6,360 8,080 10,706 12,120 12,720 16,059 21,412 24,240 26,765 32,118 42,824 53,530 64,236 80,295 85,648 107,060 128,472 160,590 214,120 256,944 321,180 428,240 642,360 and 1,284,720, with no remainder.

Since 1,284,720 cannot be divided by just 1 and 1,284,720, 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).