WebMultiply the list of prime factors together to find the LCM. The LCM (a,b) is calculated by finding the prime factorization of both a and b. Use the same process for the LCM of more than 2 numbers. For example, for … WebThe factors of 120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120. The common factors of 20, 50 and 120 are 1, 2, 5 and 10. (Include only the factors common to all three numbers.) The greatest common factor of …

The HCF and LCM of 12, 21, 15 respectively are: - BYJU

WebLCM of 12, 15, and 18 is the product of prime factors raised to their respective highest exponent among the numbers 12, 15, and 18. ⇒ LCM of 12, 15, 18 = 2 2 × 3 2 × 5 1 = 180. What are the Methods to Find LCM of 12, 15, 18? The commonly used methods to find the LCM of 12, 15, 18 are: Prime Factorization Method Division Method Listing Multiples WebThe HCF and LCM of 12, 21, 15 respectively are: A 3 and 420 B 12 and 420 C 3 and 140 D 420 and 3 Solution The correct option is A 3 and 420 3 and 420 Suggest Corrections 2 … all in landscape

Find LCM and HCF of the integers 12, 15, and 21 by using prime ...

WebFor example, the LCM of 12 and 20 is 60. Multiples of 12 = 12, 24, 36, 48, 60, 72, 84 and so on. Multiples of 20 = 20, 40, 60, 80 and so on. LCM of 12 and 20 is 60. HCF and LCM of … WebMar 29, 2024 · Ex 1.2 , 3 (Method 1) Find the LCM and HCF of the following integers by applying the prime factorisation method. 12, 15 and 21 H.C.F = Product of smallest power … WebApr 8, 2024 · This is because in L.C.M. we take all the factors present in three numbers and the highest power of the common factors respectively. Thus, L.C.M. of the given 3 … all in latex