Q: Is 1,718,550 a Composite Number?

Why is 1,718,550 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 1,718,550 can be evenly divided by 1 2 3 5 6 9 10 15 18 19 25 27 30 38 45 50 54 57 67 75 90 95 114 134 135 150 171 190 201 225 270 285 335 342 402 450 475 513 570 603 670 675 855 950 1,005 1,026 1,206 1,273 1,350 1,425 1,675 1,710 1,809 2,010 2,546 2,565 2,850 3,015 3,350 3,618 3,819 4,275 5,025 5,130 6,030 6,365 7,638 8,550 9,045 10,050 11,457 12,730 12,825 15,075 18,090 19,095 22,914 25,650 30,150 31,825 34,371 38,190 45,225 57,285 63,650 68,742 90,450 95,475 114,570 171,855 190,950 286,425 343,710 572,850 859,275 and 1,718,550, with no remainder.

Since 1,718,550 cannot be divided by just 1 and 1,718,550, 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).