Q: Is 1,707,615 a Composite Number?

Why is 1,707,615 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 1,707,615 can be evenly divided by 1 3 5 7 9 13 15 21 27 35 39 45 63 65 91 105 117 135 139 189 195 273 315 351 417 455 585 695 819 945 973 1,251 1,365 1,755 1,807 2,085 2,457 2,919 3,753 4,095 4,865 5,421 6,255 8,757 9,035 12,285 12,649 14,595 16,263 18,765 26,271 27,105 37,947 43,785 48,789 63,245 81,315 113,841 131,355 189,735 243,945 341,523 569,205 and 1,707,615, with no remainder.

Since 1,707,615 cannot be divided by just 1 and 1,707,615, 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).