** **

**
**

** “****HCF and LCM of Numbers**** “**
** **
**Let’s start with the definition of the two terms HCF (also called as GCD) & LCM.**
**■ ****HCF**

** •It stands for Highest Common Factor.**

** • It is defined as the greatest number **

** which is a common factor of two or more given numbers.**

** • It is also called as Greatest Common Divisor(GCD) or Greatest Common Measure (GCM).**

** **

**For example 35,45 **

** 35 = 5×7**

** 45=5×3×3**

**From the above we notice that the Greatest Common Factor is 5.**

**■ ****LCM**

**•It stands for Least Common Multiple**

**•It is defined as the smallest number which is a multiple of each other.**

** For eg:- 3,6**

** LCM (3,6)=6**

**Now let’s look into one more small concept **

**Co- prime Numbers**** which is useful here.**

**Two Numbers are said to be Co-prime or relative prime , if their HCF is “One” .**

** There are many such numbers.**

**Example:-HCF of 11,13 is 1**

**Therefore , 11 & 13 are co prime numbers.**

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## About Praveenkumar P Kalikeri

ABOUT US
Hey,Thanks for dropping by .First I would like to Appreciate for your love towards the Mathematics Subject.
My name is Praveenkumar Kalikeri.
I'm an Engineering Student from Karnataka , India.
My Passion for Mathematics , encouraged me to start this blog .
I Started loving the Mathematics subject from my schooling days.I was greatly motivated by teachers, parents who always helped me .
Numbers have Beauty !!
They fascinated me ..
As we all know best method to try out something new is to study old theories , concepts , its drawbacks, etc.
I ,myself Started learning Vedic Mathematics at age of 15.
Here , I will share vedic maths tricks learned and modified by me in simple manner which will be useful in various competitive exams.
"If You Believe , You Can Do".