Q: Is 1,995,525 a Composite Number?

Why is 1,995,525 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 1,995,525 can be evenly divided by 1 3 5 7 9 15 21 25 35 45 49 63 75 105 147 175 181 225 245 315 441 525 543 735 905 1,225 1,267 1,575 1,629 2,205 2,715 3,675 3,801 4,525 6,335 8,145 8,869 11,025 11,403 13,575 19,005 26,607 31,675 40,725 44,345 57,015 79,821 95,025 133,035 221,725 285,075 399,105 665,175 and 1,995,525, with no remainder.

Since 1,995,525 cannot be divided by just 1 and 1,995,525, 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).