Q: Is 1,129,842 a Composite Number?

Why is 1,129,842 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 1,129,842 can be evenly divided by 1 2 3 6 7 9 14 18 21 27 42 49 54 61 63 98 122 126 147 183 189 294 343 366 378 427 441 549 686 854 882 1,029 1,098 1,281 1,323 1,647 2,058 2,562 2,646 2,989 3,087 3,294 3,843 5,978 6,174 7,686 8,967 9,261 11,529 17,934 18,522 20,923 23,058 26,901 41,846 53,802 62,769 80,703 125,538 161,406 188,307 376,614 564,921 and 1,129,842, with no remainder.

Since 1,129,842 cannot be divided by just 1 and 1,129,842, 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).