Q: Is 5,621,175 a Composite Number?

Why is 5,621,175 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 5,621,175 can be evenly divided by 1 3 5 7 9 15 21 25 35 43 45 63 75 83 105 129 175 215 225 249 301 315 387 415 525 581 645 747 903 1,075 1,245 1,505 1,575 1,743 1,935 2,075 2,709 2,905 3,225 3,569 3,735 4,515 5,229 6,225 7,525 8,715 9,675 10,707 13,545 14,525 17,845 18,675 22,575 24,983 26,145 32,121 43,575 53,535 67,725 74,949 89,225 124,915 130,725 160,605 224,847 267,675 374,745 624,575 803,025 1,124,235 1,873,725 and 5,621,175, with no remainder.

Since 5,621,175 cannot be divided by just 1 and 5,621,175, 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).