Q: Is 1,390,770 a Composite Number?

Why is 1,390,770 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 1,390,770 can be evenly divided by 1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 81 85 90 101 102 135 153 162 170 202 255 270 303 306 405 459 505 510 606 765 810 909 918 1,010 1,377 1,515 1,530 1,717 1,818 2,295 2,727 2,754 3,030 3,434 4,545 4,590 5,151 5,454 6,885 8,181 8,585 9,090 10,302 13,635 13,770 15,453 16,362 17,170 25,755 27,270 30,906 40,905 46,359 51,510 77,265 81,810 92,718 139,077 154,530 231,795 278,154 463,590 695,385 and 1,390,770, with no remainder.

Since 1,390,770 cannot be divided by just 1 and 1,390,770, 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).