Q: Is 15,660,435 a Composite Number?

Why is 15,660,435 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 15,660,435 can be evenly divided by 1 3 5 7 15 21 29 35 37 87 105 111 139 145 185 203 259 417 435 555 609 695 777 973 1,015 1,073 1,295 2,085 2,919 3,045 3,219 3,885 4,031 4,865 5,143 5,365 7,511 12,093 14,595 15,429 16,095 20,155 22,533 25,715 28,217 36,001 37,555 60,465 77,145 84,651 108,003 112,665 141,085 149,147 180,005 423,255 447,441 540,015 745,735 1,044,029 2,237,205 3,132,087 5,220,145 and 15,660,435, with no remainder.

Since 15,660,435 cannot be divided by just 1 and 15,660,435, 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).