Q: Is 42,122,556 a Composite Number?

Why is 42,122,556 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 42,122,556 can be evenly divided by 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1,764 23,879 47,758 71,637 95,516 143,274 167,153 214,911 286,548 334,306 429,822 501,459 668,612 859,644 1,002,918 1,170,071 1,504,377 2,005,836 2,340,142 3,008,754 3,510,213 4,680,284 6,017,508 7,020,426 10,530,639 14,040,852 21,061,278 and 42,122,556, with no remainder.

Since 42,122,556 cannot be divided by just 1 and 42,122,556, 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).