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Prime factors of 12: 2*2*3
Prme factors of 77: 7*11
Therefore the GCF is 1
Wiki User
∙ 10y ago
Wiki User
∙ 6y ago2 x 3 x 13 = 78
2 x 2 x 2 x 13 = 104
2 x 13 = 26, the GCf
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