Q: Is 20,124,120 a Composite Number?

Why is 20,124,120 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 20,124,120 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 67 120 134 201 268 335 402 536 670 804 1,005 1,340 1,608 2,010 2,503 2,680 4,020 5,006 7,509 8,040 10,012 12,515 15,018 20,024 25,030 30,036 37,545 50,060 60,072 75,090 100,120 150,180 167,701 300,360 335,402 503,103 670,804 838,505 1,006,206 1,341,608 1,677,010 2,012,412 2,515,515 3,354,020 4,024,824 5,031,030 6,708,040 10,062,060 and 20,124,120, with no remainder.

Since 20,124,120 cannot be divided by just 1 and 20,124,120, 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).