Q: Is 19,471,872 a Composite Number?

Why is 19,471,872 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 19,471,872 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 512 672 768 896 1,344 1,536 1,792 1,811 2,688 3,584 3,622 5,376 5,433 7,244 10,752 10,866 12,677 14,488 21,732 25,354 28,976 38,031 43,464 50,708 57,952 76,062 86,928 101,416 115,904 152,124 173,856 202,832 231,808 304,248 347,712 405,664 463,616 608,496 695,424 811,328 927,232 1,216,992 1,390,848 1,622,656 2,433,984 2,781,696 3,245,312 4,867,968 6,490,624 9,735,936 and 19,471,872, with no remainder.

Since 19,471,872 cannot be divided by just 1 and 19,471,872, 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).