Q: Is 9,855,615 a Composite Number?

Why is 9,855,615 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 9,855,615 can be evenly divided by 1 3 5 7 11 15 21 23 33 35 49 53 55 69 77 105 115 147 159 161 165 231 245 253 265 345 371 385 483 539 583 735 759 795 805 1,113 1,127 1,155 1,219 1,265 1,617 1,749 1,771 1,855 2,415 2,597 2,695 2,915 3,381 3,657 3,795 4,081 5,313 5,565 5,635 6,095 7,791 8,085 8,533 8,745 8,855 12,243 12,397 12,985 13,409 16,905 18,285 20,405 25,599 26,565 28,567 37,191 38,955 40,227 42,665 59,731 61,215 61,985 67,045 85,701 93,863 127,995 142,835 179,193 185,955 201,135 281,589 298,655 428,505 469,315 657,041 895,965 1,407,945 1,971,123 3,285,205 and 9,855,615, with no remainder.

Since 9,855,615 cannot be divided by just 1 and 9,855,615, 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).