What is the greatest common factor (GCF) of 8 and 71?
Difficulty: Medium
About this MCQ
Medium GRE item. Correct choice: B. 1.
- A. 79
Why not A: “79” is not 1.
- B. 1 ✓
- C. 568
Why not C: “568” is not 1.
- D. 2
Why not D: “2” is not 1.
Correct answer
B. 1
Explanation
1 is the value that answers “What is the greatest common factor (GCF) of 8 and 71” (option B). Option A (79) is a different value from 1. Option C (568) is a different value from 1. Option D (2) 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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