What is the least common multiple (LCM) of 28 and 63?
Difficulty: Medium
About this MCQ
Medium ACT item. Correct choice: A. 252.
- A. 252 ✓
- B. 1764
Why not B: “1764” is not 252.
- C. 280
Why not C: “280” is not 252.
- D. 7
Why not D: “7” is not 252.
Correct answer
A. 252
Explanation
252 is the value that answers “What is the least common multiple (LCM) of 28 and 63” (option A). Option B (1764) is a different value from 252. Option C (280) is a different value from 252. Option D (7) is a different value from 252. Keep 252 as the ACT fact for this stem.
Source: Original practice question, MCQsHub
Tags: American Exams, ACT, Quant, Number Properties
Submitted by: MCQsHub Editorial
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