Q: Is 21,442,344 a Composite Number?

Why is 21,442,344 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 21,442,344 can be evenly divided by 1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 41 42 44 56 66 77 82 84 88 123 132 154 164 168 231 246 264 283 287 308 328 451 462 492 566 574 616 849 861 902 924 984 1,132 1,148 1,353 1,698 1,722 1,804 1,848 1,981 2,264 2,296 2,706 3,113 3,157 3,396 3,444 3,608 3,962 5,412 5,943 6,226 6,314 6,792 6,888 7,924 9,339 9,471 10,824 11,603 11,886 12,452 12,628 15,848 18,678 18,942 21,791 23,206 23,772 24,904 25,256 34,809 37,356 37,884 43,582 46,412 47,544 65,373 69,618 74,712 75,768 81,221 87,164 92,824 127,633 130,746 139,236 162,442 174,328 243,663 255,266 261,492 278,472 324,884 382,899 487,326 510,532 522,984 649,768 765,798 893,431 974,652 1,021,064 1,531,596 1,786,862 1,949,304 2,680,293 3,063,192 3,573,724 5,360,586 7,147,448 10,721,172 and 21,442,344, with no remainder.

Since 21,442,344 cannot be divided by just 1 and 21,442,344, 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).