Find the highest common factor (HCF) of 84 and 126.
Correct answer(s):
- 42
Topic
LCM and HCF
Practice related MCQ quizzes and improve step by step.
Quizzes in LCM and HCF
Find the least common multiple (LCM) of 18 and 24.
Correct answer(s):
- 72
Find the greatest common divisor (GCD/HCF) of 84 and 126.
Correct answer(s):
- 42
Calculate the least common multiple (LCM) of 12 and 18.
Correct answer(s):
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Calculate the greatest common divisor (HCF/GCD) of 84 and 126.
Correct answer(s):
- 42
Find the least common multiple (LCM) of 18 and 24.
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- 72
What is the smallest positive integer that is divisible by both 6 and 15?
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Find the highest common factor (HCF) of 48 and 72.
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Calculate the least common multiple (LCM) of 12 and 18.
Correct answer(s):
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Determine the highest common factor (HCF) or greatest common divisor (GCD) of 84 and 126.
Correct answer(s):
- 42
Find the least common multiple (LCM) of 12, 15, and 20.
Correct answer(s):
- 60
Find the least common multiple (LCM) of 12 and 18.
Correct answer(s):
- 36
Find the greatest common divisor (GCD) of 84 and 126.
Correct answer(s):
- 42
Calculate the least common multiple (LCM) of 18 and 24.
Correct answer(s):
- 72
Find the least common multiple (LCM) of 8, 12, and 20.
Correct answer(s):
- 120
Determine the highest common factor (HCF) of 84 and 126.
Correct answer(s):
- 42
Find the least common multiple (LCM) of 18 and 24.
Correct answer(s):
- 72
Find the smallest positive integer that is divisible by both 8 and 12 and leaves a remainder of 4 when divided by 5.
Correct answer(s):
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Find the highest common factor (HCF) of 84 and 126.
Correct answer(s):
- 42
Find the least common multiple (LCM) of 12, 15, and 20.
Correct answer(s):
- 60