Q: Is 155,247,442 a Composite Number?

Why is 155,247,442 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 155,247,442 can be evenly divided by 1 2 7 14 19 31 38 62 67 133 134 217 266 281 434 469 562 589 938 1,178 1,273 1,967 2,077 2,546 3,934 4,123 4,154 5,339 8,246 8,711 8,911 10,678 14,539 17,422 17,822 18,827 29,078 37,373 37,654 39,463 60,977 74,746 78,926 121,954 131,789 165,509 263,578 276,241 331,018 357,713 552,482 583,637 715,426 1,158,563 1,167,274 2,317,126 2,503,991 4,085,459 5,007,982 8,170,918 11,089,103 22,178,206 77,623,721 and 155,247,442, with no remainder.

Since 155,247,442 cannot be divided by just 1 and 155,247,442, 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).