What is the greatest common factor (GCF) of 47 and 10?
Difficulty: Medium
About this MCQ
Medium ACT item. Correct choice: A. 1.
- A. 1 ✓
- B. 470
Why not B: “470” is not 1.
- C. 57
Why not C: “57” is not 1.
- D. 2
Why not D: “2” is not 1.
Correct answer
A. 1
Explanation
1 is the value that answers “What is the greatest common factor (GCF) of 47 and 10” (option A). Option B (470) is a different value from 1. Option C (57) is a different value from 1. Option D (2) is a different value from 1. Keep 1 as the ACT fact for this stem.
Source: Original practice question, MCQsHub
Tags: American Exams, ACT, Quant, Number Properties
Submitted by: MCQsHub Editorial