Q: Is 1,521,330 a Composite Number?

Why is 1,521,330 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 1,521,330 can be evenly divided by 1 2 3 5 6 10 15 17 19 30 34 38 51 57 85 95 102 114 157 170 190 255 285 314 323 471 510 570 646 785 942 969 1,570 1,615 1,938 2,355 2,669 2,983 3,230 4,710 4,845 5,338 5,966 8,007 8,949 9,690 13,345 14,915 16,014 17,898 26,690 29,830 40,035 44,745 50,711 80,070 89,490 101,422 152,133 253,555 304,266 507,110 760,665 and 1,521,330, with no remainder.

Since 1,521,330 cannot be divided by just 1 and 1,521,330, 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).