What is the greatest common factor (GCF) of 39 and 56?
Difficulty: Medium
About this MCQ
Medium SAT item. Correct choice: D. 1.
- A. 2184
Why not A: “2184” is not 1.
- B. 95
Why not B: “95” is not 1.
- C. 2
Why not C: “2” is not 1.
- D. 1 ✓
Correct answer
D. 1
Explanation
1 is the value that answers “What is the greatest common factor (GCF) of 39 and 56” (option D). Option A (2184) is a different value from 1. Option B (95) is a different value from 1. Option C (2) is a different value from 1. Keep 1 as the SAT fact for this stem.
Source: Original practice question, MCQsHub
Tags: SAT, American Exams, Quant, Number Properties
Submitted by: MCQsHub Editorial
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