Q: Is 1,445,418 a Composite Number?

Why is 1,445,418 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 1,445,418 can be evenly divided by 1 2 3 6 9 13 18 26 27 29 39 54 58 71 78 87 117 142 174 213 234 261 351 377 426 522 639 702 754 783 923 1,131 1,278 1,566 1,846 1,917 2,059 2,262 2,769 3,393 3,834 4,118 5,538 6,177 6,786 8,307 10,179 12,354 16,614 18,531 20,358 24,921 26,767 37,062 49,842 53,534 55,593 80,301 111,186 160,602 240,903 481,806 722,709 and 1,445,418, with no remainder.

Since 1,445,418 cannot be divided by just 1 and 1,445,418, 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).