Q: Is 7,868,025 a Composite Number?

Why is 7,868,025 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 7,868,025 can be evenly divided by 1 3 5 9 11 15 17 25 33 45 51 55 75 85 99 121 153 165 187 225 255 275 289 363 425 495 561 605 765 825 867 935 1,089 1,275 1,445 1,683 1,815 2,057 2,475 2,601 2,805 3,025 3,179 3,825 4,335 4,675 5,445 6,171 7,225 8,415 9,075 9,537 10,285 13,005 14,025 15,895 18,513 21,675 27,225 28,611 30,855 34,969 42,075 47,685 51,425 65,025 79,475 92,565 104,907 143,055 154,275 174,845 238,425 314,721 462,825 524,535 715,275 874,225 1,573,605 2,622,675 and 7,868,025, with no remainder.

Since 7,868,025 cannot be divided by just 1 and 7,868,025, 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).