Q: Is 20,040,240 a Composite Number?

Why is 20,040,240 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 20,040,240 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 660 880 1,320 2,640 7,591 15,182 22,773 30,364 37,955 45,546 60,728 75,910 83,501 91,092 113,865 121,456 151,820 167,002 182,184 227,730 250,503 303,640 334,004 364,368 417,505 455,460 501,006 607,280 668,008 835,010 910,920 1,002,012 1,252,515 1,336,016 1,670,020 1,821,840 2,004,024 2,505,030 3,340,040 4,008,048 5,010,060 6,680,080 10,020,120 and 20,040,240, with no remainder.

Since 20,040,240 cannot be divided by just 1 and 20,040,240, 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).