Q: Is 21,442,134 a Composite Number?

Why is 21,442,134 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 21,442,134 can be evenly divided by 1 2 3 6 7 14 17 21 34 42 51 59 102 118 119 177 238 354 357 413 509 714 826 1,003 1,018 1,239 1,527 2,006 2,478 3,009 3,054 3,563 6,018 7,021 7,126 8,653 10,689 14,042 17,306 21,063 21,378 25,959 30,031 42,126 51,918 60,062 60,571 90,093 121,142 180,186 181,713 210,217 363,426 420,434 510,527 630,651 1,021,054 1,261,302 1,531,581 3,063,162 3,573,689 7,147,378 10,721,067 and 21,442,134, with no remainder.

Since 21,442,134 cannot be divided by just 1 and 21,442,134, 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).