Q: Is 21,790,272 a Composite Number?

Why is 21,790,272 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 21,790,272 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 24 28 31 32 42 48 56 62 64 84 93 96 112 124 168 186 192 217 224 248 336 372 434 448 496 523 651 672 744 868 992 1,046 1,302 1,344 1,488 1,569 1,736 1,984 2,092 2,604 2,976 3,138 3,472 3,661 4,184 5,208 5,952 6,276 6,944 7,322 8,368 10,416 10,983 12,552 13,888 14,644 16,213 16,736 20,832 21,966 25,104 29,288 32,426 33,472 41,664 43,932 48,639 50,208 58,576 64,852 87,864 97,278 100,416 113,491 117,152 129,704 175,728 194,556 226,982 234,304 259,408 340,473 351,456 389,112 453,964 518,816 680,946 702,912 778,224 907,928 1,037,632 1,361,892 1,556,448 1,815,856 2,723,784 3,112,896 3,631,712 5,447,568 7,263,424 10,895,136 and 21,790,272, with no remainder.

Since 21,790,272 cannot be divided by just 1 and 21,790,272, 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).