Q: Is 15,724,020 a Composite Number?

Why is 15,724,020 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 15,724,020 can be evenly divided by 1 2 3 4 5 6 10 12 13 15 19 20 26 30 38 39 52 57 60 65 76 78 95 114 130 156 190 195 228 247 260 285 380 390 494 570 741 780 988 1,061 1,140 1,235 1,482 2,122 2,470 2,964 3,183 3,705 4,244 4,940 5,305 6,366 7,410 10,610 12,732 13,793 14,820 15,915 20,159 21,220 27,586 31,830 40,318 41,379 55,172 60,477 63,660 68,965 80,636 82,758 100,795 120,954 137,930 165,516 201,590 206,895 241,908 262,067 275,860 302,385 403,180 413,790 524,134 604,770 786,201 827,580 1,048,268 1,209,540 1,310,335 1,572,402 2,620,670 3,144,804 3,931,005 5,241,340 7,862,010 and 15,724,020, with no remainder.

Since 15,724,020 cannot be divided by just 1 and 15,724,020, 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).