What is the greatest common factor (GCF) of 79 and 72?
Difficulty: Medium
About this MCQ
Medium GRE item. Correct choice: D. 1.
- A. 5688
Why not A: “5688” is not 1.
- B. 2
Why not B: “2” is not 1.
- C. 151
Why not C: “151” is not 1.
- D. 1 ✓
Correct answer
D. 1
Explanation
1 is the value that answers “What is the greatest common factor (GCF) of 79 and 72” (option D). Option A (5688) is a different value from 1. Option B (2) is a different value from 1. Option C (151) is a different value from 1. Keep 1 as the GRE fact for this stem.
Source: Original practice question, MCQsHub
Tags: American Exams, GRE, Quant, Number Properties
Submitted by: MCQsHub Editorial
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