Q: Is 855,270 a Composite Number?

Why is 855,270 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 855,270 can be evenly divided by 1 2 3 5 6 9 10 13 15 17 18 26 30 34 39 43 45 51 65 78 85 86 90 102 117 129 130 153 170 195 215 221 234 255 258 306 387 390 430 442 510 559 585 645 663 731 765 774 1,105 1,118 1,170 1,290 1,326 1,462 1,530 1,677 1,935 1,989 2,193 2,210 2,795 3,315 3,354 3,655 3,870 3,978 4,386 5,031 5,590 6,579 6,630 7,310 8,385 9,503 9,945 10,062 10,965 13,158 16,770 19,006 19,890 21,930 25,155 28,509 32,895 47,515 50,310 57,018 65,790 85,527 95,030 142,545 171,054 285,090 427,635 and 855,270, with no remainder.

Since 855,270 cannot be divided by just 1 and 855,270, 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).