Q: Is 1,509,440 a Composite Number?

Why is 1,509,440 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 1,509,440 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 53 64 80 89 106 160 178 212 265 320 356 424 445 530 712 848 890 1,060 1,424 1,696 1,780 2,120 2,848 3,392 3,560 4,240 4,717 5,696 7,120 8,480 9,434 14,240 16,960 18,868 23,585 28,480 37,736 47,170 75,472 94,340 150,944 188,680 301,888 377,360 754,720 and 1,509,440, with no remainder.

Since 1,509,440 cannot be divided by just 1 and 1,509,440, 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).