Q: Is 1,809,648 a Composite Number?

Why is 1,809,648 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 1,809,648 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 59 71 72 108 118 142 144 177 213 216 236 284 354 426 432 472 531 568 639 708 852 944 1,062 1,136 1,278 1,416 1,593 1,704 1,917 2,124 2,556 2,832 3,186 3,408 3,834 4,189 4,248 5,112 6,372 7,668 8,378 8,496 10,224 12,567 12,744 15,336 16,756 25,134 25,488 30,672 33,512 37,701 50,268 67,024 75,402 100,536 113,103 150,804 201,072 226,206 301,608 452,412 603,216 904,824 and 1,809,648, with no remainder.

Since 1,809,648 cannot be divided by just 1 and 1,809,648, 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).