text: # math
  
  posted by nnn
  
  Write the prime factorization using exponents of each number .Then find the greatest common factor (GCF)of the numbers.
  1\24..............
  36..............
  
  2\21..............
  56..............
  
  I tried to solve the problems but don't I know.
  
  1. Steve
  
  24 = 2^3 * 3
  36 = 2^2 * 3^2
  GCF = 2^2 * 3 = 12
  
  21 = 3 * 7
  56 = 2^3 * 7
  GCF = 7
  
  For the GCF, find the prime factors and their powers. Then multiply the smallest power of each prime that is common to both numbers.
  
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