Q: Is 28,055,580 a Composite Number?

Why is 28,055,580 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 28,055,580 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 67 70 84 105 134 140 201 210 268 335 402 420 469 670 804 938 997 1,005 1,340 1,407 1,876 1,994 2,010 2,345 2,814 2,991 3,988 4,020 4,690 4,985 5,628 5,982 6,979 7,035 9,380 9,970 11,964 13,958 14,070 14,955 19,940 20,937 27,916 28,140 29,910 34,895 41,874 59,820 66,799 69,790 83,748 104,685 133,598 139,580 200,397 209,370 267,196 333,995 400,794 418,740 467,593 667,990 801,588 935,186 1,001,985 1,335,980 1,402,779 1,870,372 2,003,970 2,337,965 2,805,558 4,007,940 4,675,930 5,611,116 7,013,895 9,351,860 14,027,790 and 28,055,580, with no remainder.

Since 28,055,580 cannot be divided by just 1 and 28,055,580, 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).