The greatest common factor of 52 and 78 is 26. I used the prime factorization method to find the greatest common factor. I first wrote out the prime factorization of 52 and 78:
52 = 2 x 2 x 13
78 = 2 x 3 x 13
The greatest common factor is the product of the common prime factors, which in this case is 2 x 13 = 26.
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What is the greatest common factor of 52 and 78? Explain the method you used to find it.
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