Q: Is 1,724,480 a Composite Number?

Why is 1,724,480 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 1,724,480 can be evenly divided by 1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 136 160 170 272 317 320 340 544 634 680 1,088 1,268 1,360 1,585 2,536 2,720 3,170 5,072 5,389 5,440 6,340 10,144 10,778 12,680 20,288 21,556 25,360 26,945 43,112 50,720 53,890 86,224 101,440 107,780 172,448 215,560 344,896 431,120 862,240 and 1,724,480, with no remainder.

Since 1,724,480 cannot be divided by just 1 and 1,724,480, 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).