What is the greatest common factor (GCF) of 29 and 42?
Difficulty: Medium
About this MCQ
Medium GMAT item. Correct choice: B. 1.
- A. 2
Why not A: “2” is not 1.
- B. 1 ✓
- C. 1218
Why not C: “1218” is not 1.
- D. 71
Why not D: “71” is not 1.
Correct answer
B. 1
Explanation
1 is the value that answers “What is the greatest common factor (GCF) of 29 and 42” (option B). Option A (2) is a different value from 1. Option C (1218) is a different value from 1. Option D (71) 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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