Q: Is 7,172,500 a Composite Number?

Why is 7,172,500 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 7,172,500 can be evenly divided by 1 2 4 5 10 19 20 25 38 50 76 95 100 125 151 190 250 302 380 475 500 604 625 755 950 1,250 1,510 1,900 2,375 2,500 2,869 3,020 3,775 4,750 5,738 7,550 9,500 11,476 11,875 14,345 15,100 18,875 23,750 28,690 37,750 47,500 57,380 71,725 75,500 94,375 143,450 188,750 286,900 358,625 377,500 717,250 1,434,500 1,793,125 3,586,250 and 7,172,500, with no remainder.

Since 7,172,500 cannot be divided by just 1 and 7,172,500, 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).