Question

20 points ! I WILL MARK YOU AS BRAINIST
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explain LCM and HCF in detail , with example

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PLZ
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Answer 1

Lowest Common Multiple (LCM): The least or smallest common multiple of any two or more given natural numbers are termed as LCM. For example, LCM of 10, 15, and 20 is 60.

Highest Common Factor (HCF):The largest or greatest factor common to any two or more given natural numbers is termed as HCF of given numbers. Also known as GCD (Greatest Common Divisor).For example, HCF of 4, 6 and 8 is 2.

4 = 2 × 2

6 =3 × 2

8 = 4 × 2

Here, highest common factor of 4, 6 and 8 is 2.

Both HCF and LCM of given numbers can be found by using two methods; they are division method and prime factorization

Answer 2

LCM

it means lowest common multiple

by these words we understand that we have to find out the lowest common multiple of a number.

means how many multiples does a number have

LCM we can find with more than 1 numbers or 1 number also

by this we can find the common multiple of 2 nos or more

where as HCF

means highest common factor

by these words we understand that we have to find out the highest common factor of a number

we can find HCF of 1 number at a time

by this we can find the common factor between 2 nos or more.

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