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LCM & HCF Question Solving Part One

Lesson 24 of 39 • 0 upvotes • 8:28mins

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Harshit Dwivedi

In this video I have solved some questions of LCM and HCF. This is part one question solving.

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1

Introduction to Prime Numbers

9:47mins

2

How to Find Whether a Number is Prime or Not?

8:45mins

3

Proving the previous method of finding Prime Numbers

8:03mins

4

Prime Numbers Basic Question Solving

8:08mins

5

Basics of Remainders in Addition Subtraction & Multiplication

10:26mins

6

Divisibility Rule of 2, 4, 8, 16, 32 and so on

10:10mins

7

Divisibility Rule of 3 & 9

8:13mins

8

Divisibility Rule of 11

9:26mins

9

Combined Divisibility Rule of 7, 11 & 13

8:46mins

10

Divisibility Rule of 7, 11 & 13

8:49mins

11

Divisibility Rule of 17, 19 & 23

9:20mins

12

Divisibility Rule of 29, 31 & 37

8:55mins

13

Divisibility Rule of 41, 43 & 47

9:57mins

14

LCM: Division, Prime Factorisation & Multiplication Method

9:12mins

15

LCM Type One Question Solving

9:16mins

16

Understanding LCM Type 2 Concept

8:06mins

17

LCM Type 2 Question Solving

8:38mins

18

LCM Type 3 in two variables

8:02mins

19

LCM Type 3 in three Variables

8:18mins

20

LCM Question Solving

8:38mins

21

HCF/GCD Basics - Division and Prime Factorisation Method

8:02mins

22

HCF/GCD Type One Concept With Examples

8:14mins

23

HCF/GCD Type Two Concept With Examples

7:50mins

24

LCM & HCF Question Solving Part One

8:28mins

25

LCM & HCF Question Solving Part Two

8:22mins

26

LCM & HCF Question Solving Part Three

9:11mins

27

LCM & HCF Question Solving Part Four

8:28mins

28

LCM & HCF of Fractions

8:12mins

29

Concept of Successive Division

8:05mins

30

Successive Division Question Solving

8:19mins

31

Prime Factorisation and Number of Factors of a Number

8:12mins

32

Application of Totient Function to find Co-Primes Less than a Number

8:10mins

33

Sum of all Co-Primes Less than a Number

8:09mins

34

An Extension of the Application of Totient Function

8:15mins

35

How to Find the Sum of all Co-Primes by Conventional & Totient Method

8:01mins

36

Why the Finding Factors of a Number Formula Works

7:26mins

37

Odd Factors of a Number and their Sum

8:02mins

38

Even Factors of a Number and their Sum

8:03mins

39

Sum of Factors of a Number

8:02mins

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