What is the greatest common factor (GCF) of 27 and 11?
Difficulty: Medium
About this MCQ
Medium ACT item. Correct choice: B. 1.
- A. 297
Why not A: “297” is not 1.
- B. 1 ✓
- C. 2
Why not C: “2” is not 1.
- D. 38
Why not D: “38” is not 1.
Correct answer
B. 1
Explanation
1 is the value that answers “What is the greatest common factor (GCF) of 27 and 11” (option B). Option A (297) is a different value from 1. Option C (2) is a different value from 1. Option D (38) 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