Q: Is 28,242,390 a Composite Number?

Why is 28,242,390 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 28,242,390 can be evenly divided by 1 2 3 5 6 10 11 15 22 23 30 33 46 55 61 66 69 110 115 122 138 165 183 230 253 305 330 345 366 506 610 671 690 759 915 1,265 1,342 1,403 1,518 1,830 2,013 2,530 2,806 3,355 3,721 3,795 4,026 4,209 6,710 7,015 7,442 7,590 8,418 10,065 11,163 14,030 15,433 18,605 20,130 21,045 22,326 30,866 37,210 40,931 42,090 46,299 55,815 77,165 81,862 85,583 92,598 111,630 122,793 154,330 171,166 204,655 231,495 245,586 256,749 409,310 427,915 462,990 513,498 613,965 855,830 941,413 1,227,930 1,283,745 1,882,826 2,567,490 2,824,239 4,707,065 5,648,478 9,414,130 14,121,195 and 28,242,390, with no remainder.

Since 28,242,390 cannot be divided by just 1 and 28,242,390, 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).