Q: Is 75,581,025 a Composite Number?

Why is 75,581,025 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 75,581,025 can be evenly divided by 1 3 5 13 15 25 39 65 67 75 89 169 195 201 267 325 335 445 507 845 871 975 1,005 1,157 1,335 1,675 2,225 2,535 2,613 3,471 4,225 4,355 5,025 5,785 5,963 6,675 11,323 12,675 13,065 15,041 17,355 17,889 21,775 28,925 29,815 33,969 45,123 56,615 65,325 75,205 77,519 86,775 89,445 149,075 169,845 225,615 232,557 283,075 376,025 387,595 447,225 849,225 1,007,747 1,128,075 1,162,785 1,937,975 3,023,241 5,038,735 5,813,925 15,116,205 25,193,675 and 75,581,025, with no remainder.

Since 75,581,025 cannot be divided by just 1 and 75,581,025, 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).