give the greatest common factor of each pair of numbers.

1. what is the gcf of 15 and 40?

2. what is the gcf of 18 and 72?

Question

give the greatest common factor of each pair of numbers.

1. what is the gcf of 15 and 40?

2. what is the gcf of 18 and 72?

Accepted Answer

{ "quality": "clear", "question_count": 2, "skills_matched": [ "step_cot", "blank_filling_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Greatest Common Factor", "Prime Factorization" ], "new_concepts": [], "current_concepts": [ "Greatest Common Factor", "Prime Factorization" ] } ## Find the GCF of 15 and 40 $$ \begin{aligned} 15 &= 3 \times 5 \ 40 &= 2^3 \times 5 \ \text{GCF}(15, 40) &= 5 \end{aligned} $$ ## Find the GCF of 18 and 72 $$ \begin{aligned} 18 &= 2 \times 3^2 \ 72 &= 2^3 \times 3^2 \ \text{GCF}(18, 72) &= 2 \times 3^2 = 18 \end{aligned} $$ ## Question 1 What is the GCF of 15 and 40? 5 ## Question 2 What is the GCF of 18 and 72? 18 { "subject": "Mathematics", "question_type": "Fill-in-the-blank", "knowledge_point": [ "Mathematics", "Algebra", "Greatest Common Factor" ] }

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Explanation:

Find the GCF of 15 and 40

Find the GCF of 18 and 72

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Question 1

Question 2