###### Asked in Math and ArithmeticAlgebra

Math and Arithmetic

Algebra

# Why is 57 composite?

## Answer

###### Wiki User

###### January 06, 2011 4:34PM

In math, there are two types of numbers: prime and composite. A number is prime if it has no factors other than 1 and itself. 57 is composite, because it has two factors, 19 and 3. 19x3=57

## Related Questions

###### Asked in Algebra

### Is 57 prime oor composite?

###### Asked in Prime Numbers

### Is 57 a prime or composite number?

composite
. 57 divided by 3 is 19. (Any number in which all the digits add
up to equal a number divisible by 3 is divisible by 3. 5+7=12 which
is divisible by 3.) And since 57 is divisible by more numbers than
just 1 and itself it is a composite number.
57 is a composite number since it can be divided by 3.
57/3 = 19
Composite.