Q: Is 121,371,075 a Composite Number?

Why is 121,371,075 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 121,371,075 can be evenly divided by 1 3 5 7 9 15 17 21 25 27 35 45 51 63 75 85 105 119 135 153 175 189 225 255 315 357 425 459 525 595 675 765 945 1,071 1,275 1,511 1,575 1,785 2,295 2,975 3,213 3,825 4,533 4,725 5,355 7,555 8,925 10,577 11,475 13,599 16,065 22,665 25,687 26,775 31,731 37,775 40,797 52,885 67,995 77,061 80,325 95,193 113,325 128,435 158,655 179,809 203,985 231,183 264,425 285,579 339,975 385,305 475,965 539,427 642,175 693,549 793,275 899,045 1,019,925 1,155,915 1,427,895 1,618,281 1,926,525 2,379,825 2,697,135 3,467,745 4,495,225 4,854,843 5,779,575 7,139,475 8,091,405 13,485,675 17,338,725 24,274,215 40,457,025 and 121,371,075, with no remainder.

Since 121,371,075 cannot be divided by just 1 and 121,371,075, 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).