Q: Is 15,125,550 a Composite Number?

Why is 15,125,550 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 15,125,550 can be evenly divided by 1 2 3 5 6 10 11 15 22 25 30 33 50 55 66 75 89 103 110 150 165 178 206 267 275 309 330 445 515 534 550 618 825 890 979 1,030 1,133 1,335 1,545 1,650 1,958 2,225 2,266 2,575 2,670 2,937 3,090 3,399 4,450 4,895 5,150 5,665 5,874 6,675 6,798 7,725 9,167 9,790 11,330 13,350 14,685 15,450 16,995 18,334 24,475 27,501 28,325 29,370 33,990 45,835 48,950 55,002 56,650 73,425 84,975 91,670 100,837 137,505 146,850 169,950 201,674 229,175 275,010 302,511 458,350 504,185 605,022 687,525 1,008,370 1,375,050 1,512,555 2,520,925 3,025,110 5,041,850 7,562,775 and 15,125,550, with no remainder.

Since 15,125,550 cannot be divided by just 1 and 15,125,550, 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).