Q: Is 315,013,545 a Composite Number?

Why is 315,013,545 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 315,013,545 can be evenly divided by 1 3 5 7 9 11 15 21 33 35 45 55 63 77 99 105 165 229 231 315 385 397 495 687 693 1,145 1,155 1,191 1,603 1,985 2,061 2,519 2,779 3,435 3,465 3,573 4,367 4,809 5,955 7,557 8,015 8,337 10,305 12,595 13,101 13,895 14,427 17,633 17,865 21,835 22,671 24,045 25,011 30,569 37,785 39,303 41,685 52,899 65,505 72,135 88,165 90,913 91,707 113,355 125,055 152,845 158,697 196,515 264,495 272,739 275,121 454,565 458,535 636,391 793,485 818,217 1,000,043 1,363,695 1,375,605 1,909,173 3,000,129 3,181,955 4,091,085 5,000,215 5,727,519 7,000,301 9,000,387 9,545,865 15,000,645 21,000,903 28,637,595 35,001,505 45,001,935 63,002,709 105,004,515 and 315,013,545, with no remainder.

Since 315,013,545 cannot be divided by just 1 and 315,013,545, 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).