What is the greatest common factor (GCF) of 79 and 58?
Difficulty: Medium
About this MCQ
Medium GMAT item. Correct choice: C. 1.
- A. 2
Why not A: “2” is not 1.
- B. 4582
Why not B: “4582” is not 1.
- C. 1 ✓
- D. 137
Why not D: “137” is not 1.
Correct answer
C. 1
Explanation
1 is the value that answers “What is the greatest common factor (GCF) of 79 and 58” (option C). Option A (2) is a different value from 1. Option B (4582) is a different value from 1. Option D (137) is a different value from 1. Keep 1 as the GMAT fact for this stem.
Source: Original practice question, MCQsHub
Tags: American Exams, Quant, Number Properties, GMAT
Submitted by: MCQsHub Editorial
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