(1) Answers
Factors of 32: 1; 2; 4; 8; 16; 32 Factors of 20: 1; 2; 4; 5; 10; 20 GCF(32; 20) = 4 32 + 20 = 4 × 8 + 4 × 5 = 4 × (8 + 5)
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Factors of 32: 1; 2; 4; 8; 16; 32 Factors of 20: 1; 2; 4; 5; 10; 20 GCF(32; 20) = 4 32 + 20 = 4 × 8 + 4 × 5 = 4 × (8 + 5)