Q: Is 78,207,402 a Composite Number?

Why is 78,207,402 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 78,207,402 can be evenly divided by 1 2 3 6 7 13 14 21 26 39 42 78 91 182 227 273 454 546 631 681 1,262 1,362 1,589 1,893 2,951 3,178 3,786 4,417 4,767 5,902 8,203 8,834 8,853 9,534 13,251 16,406 17,706 20,657 24,609 26,502 41,314 49,218 57,421 61,971 114,842 123,942 143,237 172,263 286,474 344,526 429,711 859,422 1,002,659 1,862,081 2,005,318 3,007,977 3,724,162 5,586,243 6,015,954 11,172,486 13,034,567 26,069,134 39,103,701 and 78,207,402, with no remainder.

Since 78,207,402 cannot be divided by just 1 and 78,207,402, 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).