Q: Is 2,154,042 a Composite Number?

Why is 2,154,042 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 2,154,042 can be evenly divided by 1 2 3 6 9 11 18 22 23 33 43 46 66 69 86 99 121 129 138 198 207 242 253 258 363 387 414 473 506 726 759 774 946 989 1,089 1,419 1,518 1,978 2,178 2,277 2,783 2,838 2,967 4,257 4,554 5,203 5,566 5,934 8,349 8,514 8,901 10,406 10,879 15,609 16,698 17,802 21,758 25,047 31,218 32,637 46,827 50,094 65,274 93,654 97,911 119,669 195,822 239,338 359,007 718,014 1,077,021 and 2,154,042, with no remainder.

Since 2,154,042 cannot be divided by just 1 and 2,154,042, 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).