Q: Is 28,747,890 a Composite Number?

Why is 28,747,890 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 28,747,890 can be evenly divided by 1 2 3 5 6 9 10 15 18 30 37 45 74 89 90 97 111 178 185 194 222 267 291 333 370 445 485 534 555 582 666 801 873 890 970 1,110 1,335 1,455 1,602 1,665 1,746 2,670 2,910 3,293 3,330 3,589 4,005 4,365 6,586 7,178 8,010 8,633 8,730 9,879 10,767 16,465 17,266 17,945 19,758 21,534 25,899 29,637 32,301 32,930 35,890 43,165 49,395 51,798 53,835 59,274 64,602 77,697 86,330 98,790 107,670 129,495 148,185 155,394 161,505 258,990 296,370 319,421 323,010 388,485 638,842 776,970 958,263 1,597,105 1,916,526 2,874,789 3,194,210 4,791,315 5,749,578 9,582,630 14,373,945 and 28,747,890, with no remainder.

Since 28,747,890 cannot be divided by just 1 and 28,747,890, 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).