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Mago · Answer 1 · 2019-02-13T02:44:06+0000

Find the prime factorization of 120
120 = 2 × 2 × 2 × 3 × 5

Find the prime factorization of 68
68 = 2 × 2 × 17

To find the gcf, multiply all the prime factors common to both numbers:

Therefore, GCF = 2 × 2

GCF = 4

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