HCF and LCM of Numbers | Chapter 2 | Quantitative Aptitude by R S Aggarwal | Solved Examples 1 to 11

HCF and LCM of Numbers | Chapter 2 | Quantitative Aptitude by R S Aggarwal | Solved Examples 1 to 11
HCF and LCM of Numbers
The full form of LCM in Maths is the Least Common Multiple, whereas the full form of HCF is the Highest Common Factor. 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.
To find H.C.F. and L.C.M., we have two important methods which are the Prime factorization method and the division method. We have learned both methods in our earlier classes. The shortcut method to find both H.C.F. and L.C.M. is a division method. Let us learn the relationship between HCF and LCM with the help of the formula here. Also, we will solve some problems based on these two concepts to understand in a better way. The article here is very helpful for primary and secondary classes students such as Class 4, Class 5, Class 6, Class 7, and Class 8. and also for competitive exams.
LCM of 24 and 15 = 2 × 2 × 2 × 3 × 5 = 120
Product of Two numbers = (HCF of the two numbers) x (LCM of the two numbers)
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