Q: Is 21,275,016 a Composite Number?

Why is 21,275,016 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 21,275,016 can be evenly divided by 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 79 84 98 147 158 168 196 229 237 294 316 392 458 474 553 588 632 687 916 948 1,106 1,176 1,374 1,603 1,659 1,832 1,896 2,212 2,748 3,206 3,318 3,871 4,424 4,809 5,496 6,412 6,636 7,742 9,618 11,221 11,613 12,824 13,272 15,484 18,091 19,236 22,442 23,226 30,968 33,663 36,182 38,472 44,884 46,452 54,273 67,326 72,364 89,768 92,904 108,546 126,637 134,652 144,728 217,092 253,274 269,304 379,911 434,184 506,548 759,822 886,459 1,013,096 1,519,644 1,772,918 2,659,377 3,039,288 3,545,836 5,318,754 7,091,672 10,637,508 and 21,275,016, with no remainder.

Since 21,275,016 cannot be divided by just 1 and 21,275,016, 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).