__Ask a Question__

### Question Asked by a Student from EXXAMM.com Team

** Q 1668091805. ** Consider the following in respect of natural

numbers `a, b` and `c`

l. `LCM` `(ab, ac) = a LCM (b, c)`

2. `HCF` `(ab,ac)=aHCF(b,c)`

3. '`HCF (a,b) < LCM (a, h)`

4. `HCF (a, b) text(divides) LCM (a, b)`.

Which of the above are correct `?`

**CDS 2016 **