Q: Is 21,104,244 a Composite Number?

Why is 21,104,244 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 21,104,244 can be evenly divided by 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 83 84 126 166 249 252 332 498 581 747 996 1,009 1,162 1,494 1,743 2,018 2,324 2,988 3,027 3,486 4,036 5,229 6,054 6,972 7,063 9,081 10,458 12,108 14,126 18,162 20,916 21,189 28,252 36,324 42,378 63,567 83,747 84,756 127,134 167,494 251,241 254,268 334,988 502,482 586,229 753,723 1,004,964 1,172,458 1,507,446 1,758,687 2,344,916 3,014,892 3,517,374 5,276,061 7,034,748 10,552,122 and 21,104,244, with no remainder.

Since 21,104,244 cannot be divided by just 1 and 21,104,244, 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).