What is the greatest common factor (GCF) of 7 and 15?
Difficulty: Medium
About this MCQ
Medium GRE item. Correct choice: A. 1.
- A. 1 ✓
- B. 22
Why not B: “22” is not 1.
- C. 2
Why not C: “2” is not 1.
- D. 105
Why not D: “105” is not 1.
Correct answer
A. 1
Explanation
1 is the value that answers “What is the greatest common factor (GCF) of 7 and 15” (option A). Option B (22) is a different value from 1. Option C (2) is a different value from 1. Option D (105) 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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