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HCF & LCM Video Lecture | Math Olympiad for Class 5

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FAQs on HCF & LCM Video Lecture - Math Olympiad 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 Least Common Multiple.
2. How do you calculate HCF?
Ans. To calculate the HCF of two or more numbers, we find the common factors of the given numbers and then choose the highest common factor among them.
3. How do you calculate LCM?
Ans. To calculate the LCM of two or more numbers, we find the smallest multiple that is divisible by all the given numbers.
4. Can HCF be greater than LCM?
Ans. No, the HCF (Highest Common Factor) of any two or more numbers is always less than or equal to their LCM (Least Common Multiple).
5. How are HCF and LCM related?
Ans. The product of two numbers is equal to the product of their HCF and LCM. In other words, if a and b are two numbers, then a * b = HCF(a, b) * LCM(a, b).
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