Q: Is 12,542,500 a Composite Number?

Why is 12,542,500 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 12,542,500 can be evenly divided by 1 2 4 5 10 20 25 29 50 58 100 116 125 145 173 250 290 346 500 580 625 692 725 865 1,250 1,450 1,730 2,500 2,900 3,460 3,625 4,325 5,017 7,250 8,650 10,034 14,500 17,300 18,125 20,068 21,625 25,085 36,250 43,250 50,170 72,500 86,500 100,340 108,125 125,425 216,250 250,850 432,500 501,700 627,125 1,254,250 2,508,500 3,135,625 6,271,250 and 12,542,500, with no remainder.

Since 12,542,500 cannot be divided by just 1 and 12,542,500, 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).