Q: Is 2,131,704 a Composite Number?

Why is 2,131,704 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 2,131,704 can be evenly divided by 1 2 3 4 6 8 9 12 18 24 27 36 54 71 72 108 139 142 213 216 278 284 417 426 556 568 639 834 852 1,112 1,251 1,278 1,668 1,704 1,917 2,502 2,556 3,336 3,753 3,834 5,004 5,112 7,506 7,668 9,869 10,008 15,012 15,336 19,738 29,607 30,024 39,476 59,214 78,952 88,821 118,428 177,642 236,856 266,463 355,284 532,926 710,568 1,065,852 and 2,131,704, with no remainder.

Since 2,131,704 cannot be divided by just 1 and 2,131,704, 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).