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Highest Common Factor (HCF) Video Lecture | Mathematics (Maths) Class 6

120 videos|301 docs|39 tests

FAQs on Highest Common Factor (HCF) Video Lecture - Mathematics (Maths) Class 6

1. What is the definition of Highest Common Factor (HCF)?
Ans. The Highest Common Factor (HCF) is the largest positive integer that divides two or more numbers without leaving any remainder.
2. How is the HCF calculated for a given set of numbers?
Ans. To calculate the HCF of a set of numbers, we can use various methods such as prime factorization, division method, or Euclidean algorithm. Each method involves finding the common factors and selecting the highest among them.
3. Can the HCF of two numbers be greater than the numbers themselves?
Ans. No, the HCF of two numbers cannot be greater than the numbers themselves. The HCF is always a factor of the given numbers, so it will always be less than or equal to the smallest number in the set.
4. Is the HCF of any two numbers always unique?
Ans. Yes, the HCF of any two numbers is always unique. The HCF is determined by the common factors between the numbers, and these common factors are the same irrespective of the method used to calculate the HCF.
5. How can the HCF be used in real-life scenarios?
Ans. The concept of HCF is used in various applications such as simplifying fractions, finding equivalent ratios, dividing objects into equal groups, and solving problems related to time, distance, and speed. It helps in finding the largest common divisor that can be used to simplify calculations and solve mathematical problems efficiently.
120 videos|301 docs|39 tests

Timeline

00:04 What is highest common factor (HCF)
02:35 What is greatest common divisor or the GCD
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