Q: Is 1,559,580 a Composite Number?

Why is 1,559,580 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 1,559,580 can be evenly divided by 1 2 3 4 5 6 10 11 12 15 17 20 22 30 33 34 44 51 55 60 66 68 85 102 110 132 139 165 170 187 204 220 255 278 330 340 374 417 510 556 561 660 695 748 834 935 1,020 1,122 1,390 1,529 1,668 1,870 2,085 2,244 2,363 2,780 2,805 3,058 3,740 4,170 4,587 4,726 5,610 6,116 7,089 7,645 8,340 9,174 9,452 11,220 11,815 14,178 15,290 18,348 22,935 23,630 25,993 28,356 30,580 35,445 45,870 47,260 51,986 70,890 77,979 91,740 103,972 129,965 141,780 155,958 259,930 311,916 389,895 519,860 779,790 and 1,559,580, with no remainder.

Since 1,559,580 cannot be divided by just 1 and 1,559,580, 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).