Answer :
GCF(56; 64) = 8
56 = 8 · 7
64 = 8 · 8
56 + 64 = 8 · 7 + 8 · 8 = 8·(7 + 8)
Used distributive property: a(b + c) = ab + ac
56 = 8 · 7
64 = 8 · 8
56 + 64 = 8 · 7 + 8 · 8 = 8·(7 + 8)
Used distributive property: a(b + c) = ab + ac