Q: Is 25,007,500 a Composite Number?

Why is 25,007,500 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 25,007,500 can be evenly divided by 1 2 4 5 7 10 14 20 25 28 35 50 70 100 125 140 175 250 350 500 625 700 875 1,250 1,429 1,750 2,500 2,858 3,500 4,375 5,716 7,145 8,750 10,003 14,290 17,500 20,006 28,580 35,725 40,012 50,015 71,450 100,030 142,900 178,625 200,060 250,075 357,250 500,150 714,500 893,125 1,000,300 1,250,375 1,786,250 2,500,750 3,572,500 5,001,500 6,251,875 12,503,750 and 25,007,500, with no remainder.

Since 25,007,500 cannot be divided by just 1 and 25,007,500, 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).