Q: Is 557,172 a Composite Number?

Why is 557,172 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 557,172 can be evenly divided by 1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 54 63 66 67 77 84 99 108 126 132 134 154 189 198 201 231 252 268 297 308 378 396 402 462 469 594 603 693 737 756 804 924 938 1,188 1,206 1,386 1,407 1,474 1,809 1,876 2,079 2,211 2,412 2,772 2,814 2,948 3,618 4,158 4,221 4,422 5,159 5,628 6,633 7,236 8,316 8,442 8,844 10,318 12,663 13,266 15,477 16,884 19,899 20,636 25,326 26,532 30,954 39,798 46,431 50,652 61,908 79,596 92,862 139,293 185,724 278,586 and 557,172, with no remainder.

Since 557,172 cannot be divided by just 1 and 557,172, 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).