What is the greatest common factor (GCF) of 21 and 35?
Difficulty: Medium
About this MCQ
Medium GMAT item. Correct choice: D. 7.
- A. 14
Why not A: “14” is not 7.
- B. 105
Why not B: “105” is not 7.
- C. 56
Why not C: “56” is not 7.
- D. 7 ✓
Correct answer
D. 7
Explanation
7 is the value that answers “What is the greatest common factor (GCF) of 21 and 35” (option D). Option A (14) is a different value from 7. Option B (105) is a different value from 7. Option C (56) is a different value from 7. Keep 7 as the GMAT fact for this stem.
Source: Original practice question, MCQsHub
Tags: American Exams, Quant, Number Properties, GMAT
Submitted by: MCQsHub Editorial
Related MCQs
- A value starts at 700. It increases by 30%, then decreases by 20%. What is the final value?
- A data set has a mean of 25 and consists of 6 numbers. If 5 of the numbers are 14, 38, 27, 17, 36, what is the...
- If 8 workers can complete a project in 14 days, how many days would it take 4 workers, assuming equal work rat...
- If 5x + 5 = 20, what is the value of x?
- What is the greatest common factor (GCF) of 14 and 83?
- What is 15% of 260?