Sage-Tips

What is the formula of LCM into HCF?

HCF and LCM Formula and Tricks Product of two numbers = Product of their HCF and LCM. Two numbers are said to be co-prime if their HCF is 1. HCF = HCF of Numerators/LCM of denominators. LCM = LCM of Numerators/ HCF of Denominators.

What is the HCF and LCM of two prime numbers?

HCF and LCM | Revision Exercise (i) H.C.F. of two prime numbers is 1. (ii) H.C.F. of two co-prime numbers is 1. (iii) L.C.M. of two prime numbers is equal to their product. (iv) L.C.M. of two co-prime numbers is equal to their product.

What is the HCF and LCM of prime numbers?

To find the HCF, find any prime factors that are in common between the products. Each product contains two 2s and one 3, so use these for the HCF. To find the LCM, multiply the HCF by all the numbers in the products that have not yet been used.

What is HCF and LCM of A and B?

HCF and LCM of two numbers are related to each other as well as with the given numbers. For any two numbers a and b, HCF (a, b) × LCM (a, b) = a × b.

What grade is HCF and LCM?

Finding the highest common factor (HCF) or lowest common multiple (LCM) of a pair of numbers is a common grade C topic occuring on the non calculator of your maths exam. It’s normally a two part question and you will need to use your answer to part a) to help answer part b) as you will see in the example below.

What is the difference between a LCM and a HCF?

Concept of LCM,HCF important for number theory and remainder based problems (generally asked in SSC CGL,CAT.)

LCM is important for time and speed,time and work problems.

LCM is also important for circular racetracks,bells,blinking lights,etc.

HCF is important for largest size of tiles,largest size of tape to measure a land etc.

What is the relation between LCM and HCF?

Conclusion: The product of the HCF and LCM of two numbers is the same as the product of the numbers themselves. Views · View 5 Upvoters. , works at V5 Systems (2017-present) HCF of few(lets consider 2 for now) numbers is nothing but a maximum number which can divide all the numbers with reminder being zero.

What is the physical meaning of LCM and HCF?

The H.C.F . defines the greatest factor present in between given two or more numbers, whereas L.C.M. defines the least number which is exactly divisible by two or more numbers. H.C.F. is also called the greatest common factor (GCF) and LCM is also called the Least Common Divisor.

How to calculate HCF?

Write down each number as the product of its prime factors.

Now,list down the common factors from the given numbers.

The largest number,which is found in the common factors is the HCF of the given numbers.