Q: Is 609,525 a Composite Number?

Why is 609,525 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 609,525 can be evenly divided by 1 3 5 7 9 15 21 25 27 35 43 45 63 75 81 105 129 135 175 189 215 225 301 315 387 405 525 567 645 675 903 945 1,075 1,161 1,505 1,575 1,935 2,025 2,709 2,835 3,225 3,483 4,515 4,725 5,805 7,525 8,127 9,675 13,545 14,175 17,415 22,575 24,381 29,025 40,635 67,725 87,075 121,905 203,175 and 609,525, with no remainder.

Since 609,525 cannot be divided by just 1 and 609,525, 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).