#### Greatest common factor explained | Factors and multiples | Pre-Algebra | Khan Academy

Here's a nice explanation of least common factor (or least common divisor) along with a few practice example exercises. Let's roll. Practice this lesson yourself ...

# Answer

24 can be divided by:

1,2,3,4,6,8,12,24

30 can be divided by:

1,2,3,5,6,10,15,30

The GCF : 6