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answer- 6

GCF of 42 and 60 by Prime Factorization
Prime factorization of 42 and 60 is (2 × 3 × 7) and (2 × 2 × 3 × 5) respectively. As visible, 42 and 60 have common prime factors. Hence, the GCF of 42 and 60 is 2 × 3 = 6.

Answer:

6.

Step-by-step explanation:

42 = 2*3*7

60 = 2*2*3*5

Picking out common factors:

The GCF = 2*3 = 6.

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