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Interactive video lesson plan for: Find LCM and HCF of integers using Prime Factorization

Activity overview:

Find LCM and HCF of integers using Prime Factorization
Algebra | Relation between LCM, HCF and Product of two numbers

http://www.learncbse.in/ncert-class-10-math-solutions/
http://www.learncbse.in/ncert-solutions-class-10th-maths-chapter-1-real-numbers/
http://www.learncbse.in/rd-sharma-class-10-solutions-chapter-1-real-numbers/

In this video, how to find the prime factors of given numbers using factor tree is explained.LCM and HCF of two numbers is obtained by prime factorization of numbers.Basic Algebra is included.That is Find the LCM and HCF of two numbers by the prime factorisation method.

HCF is the Product of the smallest power of each common prime factor in the numbers.
LCM is the Product of the greatest power of each prime factor, involved in the numbers.

Fundamental Theorem of Arithmetic: Every composite number can be expressed or factorised as a product of primes, and this factorisation is prime factorisation.
The prime factorisation of a natural number is unique, except for the order of its factors.

00:02 Q3. Find the LCM and HCF of the following integers by applying the prime factorisation
method.
(i) 12, 15 and 21 (ii) 17, 23 and 29 (iii) 8, 9 and 25
00:29 Write prime factor of 12, 15 and 21.
01:23 HCF of 12, 15 and 21 = Product of the smallest power of each common prime factor in the numbers
LCM of 12, 15 and 21 = Product of the greatest power of each prime factor, involved in the numbers .
02:56 Find the LCM and HCF of 17, 23 and 29
5:03 Find the LCM and HCF of 8, 9 and 25

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learncbse.in
CBSE solutions for class 10 maths Chapter 1 Real Numbers Exercise 1.4
CBSE class 10 maths NCERT Solutions Chapter 1 Real Numbers Exercise 1.2 | Euclid Division Lemma
CBSE class 10 maths NCERT Solutions Chapter 1 Real Numbers
Solutions for CBSE class 10 Maths Real Numbers
NCERT solutions for class 10 maths Real Numbers
NCERT solutions for CBSE class 10 maths Real Numbers Ex 1.1
CBSE class 10 maths Solutions Real Numbers Exercise 1.4
Common core Math Real Numbers
ICSE Class 10 Maths

Tagged under: ncert solutions,learncbse.,gyanpub,Prime Factorization,Find LCM,Find LCM HCF,integers,Factorization,Arithmetic,Fundamental Theorem,Real Numbers

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