Q: Is 3,115,112 a Composite Number?

Why is 3,115,112 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 3,115,112 can be evenly divided by 1 2 4 7 8 11 13 14 22 26 28 44 52 56 77 88 91 104 143 154 182 286 308 364 389 572 616 728 778 1,001 1,144 1,556 2,002 2,723 3,112 4,004 4,279 5,057 5,446 8,008 8,558 10,114 10,892 17,116 20,228 21,784 29,953 34,232 35,399 40,456 55,627 59,906 70,798 111,254 119,812 141,596 222,508 239,624 283,192 389,389 445,016 778,778 1,557,556 and 3,115,112, with no remainder.

Since 3,115,112 cannot be divided by just 1 and 3,115,112, 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).