Class 5 Exam > Class 5 Videos > Mathematics for Class 5 > Quick Revision: HCF & LCM
Quick Revision: HCF & LCM Video Lecture | Mathematics for Class 5
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FAQs on Quick Revision: HCF & LCM Video Lecture - Mathematics for Class 5
| 1. What is the full form of HCF and LCM? |  |
Ans. The full form of HCF is Highest Common Factor and the full form of LCM is Lowest Common Multiple.
| 2. How do you find the HCF of two numbers? | |
Ans. The HCF of two numbers can be found by listing out all the factors of both numbers and then identifying the largest number that is common to both lists.
| 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. It is always a factor of the numbers and hence, it will be less than or equal to the smallest number.
| 4. How is the LCM of two numbers calculated? | |
Ans. The LCM of two numbers can be calculated by finding the prime factors of each number, then taking the highest power of each prime factor to find the LCM.
| 5. Are HCF and LCM related concepts? | |
Ans. Yes, HCF and LCM are related concepts. They are used to solve problems involving fractions, ratios, and proportions. The HCF is the largest number that divides both numbers evenly, while the LCM is the smallest number that is a multiple of both numbers.
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Dec 26, 2024 Last updated |
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