Q: Is 7,728,750 a Composite Number?

Why is 7,728,750 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 7,728,750 can be evenly divided by 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 90 125 135 150 225 229 250 270 375 450 458 625 675 687 750 1,125 1,145 1,250 1,350 1,374 1,875 2,061 2,250 2,290 3,375 3,435 3,750 4,122 5,625 5,725 6,183 6,750 6,870 10,305 11,250 11,450 12,366 16,875 17,175 20,610 28,625 30,915 33,750 34,350 51,525 57,250 61,830 85,875 103,050 143,125 154,575 171,750 257,625 286,250 309,150 429,375 515,250 772,875 858,750 1,288,125 1,545,750 2,576,250 3,864,375 and 7,728,750, with no remainder.

Since 7,728,750 cannot be divided by just 1 and 7,728,750, 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).