Q: Is 15,555,060 a Composite Number?

Why is 15,555,060 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 15,555,060 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 103 180 206 309 412 515 618 839 927 1,030 1,236 1,545 1,678 1,854 2,060 2,517 3,090 3,356 3,708 4,195 4,635 5,034 6,180 7,551 8,390 9,270 10,068 12,585 15,102 16,780 18,540 25,170 30,204 37,755 50,340 75,510 86,417 151,020 172,834 259,251 345,668 432,085 518,502 777,753 864,170 1,037,004 1,296,255 1,555,506 1,728,340 2,592,510 3,111,012 3,888,765 5,185,020 7,777,530 and 15,555,060, with no remainder.

Since 15,555,060 cannot be divided by just 1 and 15,555,060, 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).