Q: Is 19,497,402 a Composite Number?

Why is 19,497,402 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 19,497,402 can be evenly divided by 1 2 3 6 9 17 18 27 34 51 54 67 102 134 153 201 306 317 402 459 603 634 918 951 1,139 1,206 1,809 1,902 2,278 2,853 3,417 3,618 5,389 5,706 6,834 8,559 10,251 10,778 16,167 17,118 20,502 21,239 30,753 32,334 42,478 48,501 61,506 63,717 97,002 127,434 145,503 191,151 291,006 361,063 382,302 573,453 722,126 1,083,189 1,146,906 2,166,378 3,249,567 6,499,134 9,748,701 and 19,497,402, with no remainder.

Since 19,497,402 cannot be divided by just 1 and 19,497,402, 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).