Question: what is the greatest common factor of 44 and 88?
Answer: The prime factorization of 88 is: 2 x 2 x 2 x 11. The prime factors and multiplicities 44 and 88 have in common are: 2 x 2 x 11. 2 x 2 x 11 is the gcf of 44 and 88. gcf(44,88) = 44.