Q: Is 7,126,875 a Composite Number?

Why is 7,126,875 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 7,126,875 can be evenly divided by 1 3 5 7 9 15 21 25 35 45 63 75 105 125 175 181 225 315 375 525 543 625 875 905 1,125 1,267 1,575 1,629 1,875 2,625 2,715 3,801 4,375 4,525 5,625 6,335 7,875 8,145 11,403 13,125 13,575 19,005 22,625 31,675 39,375 40,725 57,015 67,875 95,025 113,125 158,375 203,625 285,075 339,375 475,125 791,875 1,018,125 1,425,375 2,375,625 and 7,126,875, with no remainder.

Since 7,126,875 cannot be divided by just 1 and 7,126,875, 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).