Q: Is 3,681,315 a Composite Number?

Why is 3,681,315 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 3,681,315 can be evenly divided by 1 3 5 9 11 15 27 33 37 45 55 67 99 111 135 165 185 201 297 333 335 407 495 555 603 737 999 1,005 1,221 1,485 1,665 1,809 2,035 2,211 2,479 3,015 3,663 3,685 4,995 6,105 6,633 7,437 9,045 10,989 11,055 12,395 18,315 19,899 22,311 27,269 33,165 37,185 54,945 66,933 81,807 99,495 111,555 136,345 245,421 334,665 409,035 736,263 1,227,105 and 3,681,315, with no remainder.

Since 3,681,315 cannot be divided by just 1 and 3,681,315, 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).