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Highest Common Factor (HCF)

Highest Common Factor (HCF)

Created by Quizmagic Team on Feb 14, 2014 12:37 PM

In mathematics, the Highest Common Factor (HCF) is also known as the Greatest Common Divisor (GCD) or Greatest Common Factor (GCF). HCF or GCD of two or more positive integers is the largest integer that divides all the integers without leaving a remainder. It is the highest number that can divide the given two or more numbers. 

HCF of 20 and 30 is 10. 
Factors of 20 is 1, 2, 4, 5, 10, 20 and Factors of 30 is 1, 2, 3, 5, 6, 10, 15, 30. Among the factors 10 is the common highest factor. Therefore, 10 is the HCF of 20 and 30.

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Top 5 Scores

	Anonymous	142 00:40
	Anonymous	138 00:45
	Anonymous	138 00:46
	anamika chandra	138 00:51
	santhosh kamal	138 00:53

Questions

12

Minutes

8

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142

00:40

Quiz Played

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Last played on Mar 02, 2023. View comments

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Mathematics maths HCF arithmetic

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Sample Questions

Question 1

What is the Highest Common Factor (HCF) of 24 and 88?

12
3
4
8

Question 2

What is the Highest Common Factor (HCF) of 37 and 29?

9
3
1
7

Question 3

What is the Highest Common Factor (HCF) of 42 and 63?

3
9
7
14

Question 4

What is the Highest Common Factor (HCF) of 63 and 21?

21
7
9
3

Question 5

What is the Highest Common Factor (HCF) of 65 and 39?

3
7
9
13

Question 6

What is the Highest Common Factor (HCF) of 60 and 84?

3
12
6
18

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