Can you find all the common prime factors for 42 and 56? First, find all the factors for 42 and 56. Factors of 42: 1, 2, 3, 6, 7, 14 and 21. Factors of 56: 1, 2, 4, 7 ...

Revise Highest Common Factor and Lowest Common Multiple, HCF and LCM using prime factors and how to use Venn diagrams in this Bitesize guide.

The documentary from NASCAR Studios will chronicle NASCAR's special 'Garage 56' entry at the 100th anniversary of the 24 Hours of Le Mans.