Q: Is 319,770 a Composite Number?

Why is 319,770 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 319,770 can be evenly divided by 1 2 3 5 6 9 10 11 15 17 18 19 22 30 33 34 38 45 51 55 57 66 85 90 95 99 102 110 114 153 165 170 171 187 190 198 209 255 285 306 323 330 342 374 418 495 510 561 570 627 646 765 855 935 969 990 1,045 1,122 1,254 1,530 1,615 1,683 1,710 1,870 1,881 1,938 2,090 2,805 2,907 3,135 3,230 3,366 3,553 3,762 4,845 5,610 5,814 6,270 7,106 8,415 9,405 9,690 10,659 14,535 16,830 17,765 18,810 21,318 29,070 31,977 35,530 53,295 63,954 106,590 159,885 and 319,770, with no remainder.

Since 319,770 cannot be divided by just 1 and 319,770, 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).