Q: Is 1,582,875 a Composite Number?

Why is 1,582,875 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 1,582,875 can be evenly divided by 1 3 5 7 9 15 21 25 27 35 45 63 67 75 105 125 135 175 189 201 225 315 335 375 469 525 603 675 875 945 1,005 1,125 1,407 1,575 1,675 1,809 2,345 2,625 3,015 3,375 4,221 4,725 5,025 7,035 7,875 8,375 9,045 11,725 12,663 15,075 21,105 23,625 25,125 35,175 45,225 58,625 63,315 75,375 105,525 175,875 226,125 316,575 527,625 and 1,582,875, with no remainder.

Since 1,582,875 cannot be divided by just 1 and 1,582,875, 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).