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### How to study your flashcards.

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### 20 Cards in this Set

• Front
• Back
 What is the GCF of 35 and 45? 5 What is the GCF of 18 and 15? 3 What is the GCF of 12 and 45? 3 What is the GCF of 32 and 12? 4 What is the GCF of 18 and 55? 1 What is the GCF of 25 and 15? 5 What is the GCF of 20 and 100? 20 What is the GCF of 22 and 19? 1 What is the GCF of 9 and 12? 3 What is the GCF of 4 and 24? 4 What is the GCF of 81 and 42? 3 What is the GCF of 17 and 34? 17 What is the GCF of 21 and 25? 1 What is the GCF of 18 and 81? 9 What is the GCF of 15 and 35? 5 What is the GCF of 42 and 36? 6 What is the GCF of 18 and 21? 3 What is the GCF of 12 and 14? 2 What is the GCF of 16 and 18? 2 What is the GCF of 15 and 36? 3