Q: Is 2,784,720 a Composite Number?

Why is 2,784,720 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 2,784,720 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 41 48 60 80 82 120 123 164 205 240 246 283 328 410 492 566 615 656 820 849 984 1,132 1,230 1,415 1,640 1,698 1,968 2,264 2,460 2,830 3,280 3,396 4,245 4,528 4,920 5,660 6,792 8,490 9,840 11,320 11,603 13,584 16,980 22,640 23,206 33,960 34,809 46,412 58,015 67,920 69,618 92,824 116,030 139,236 174,045 185,648 232,060 278,472 348,090 464,120 556,944 696,180 928,240 1,392,360 and 2,784,720, with no remainder.

Since 2,784,720 cannot be divided by just 1 and 2,784,720, 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).