Class 6 Factor & Multiples ,LCM by Prime Factorisation Method

Reduce the following fractions into their lowest terms by prime factorisation method : (i) 48/60" (ii) "510/210

Reduce (288)/(392) to the simplest form using HCF of the numerator and denominator. Find the HCF by prime factorisation method

Find the cube root of each of the following numbers by prime factorisation method.(i) 64 (ii) 512 (iii) 10648 (iv) 27000 (v) 15625

Find the LCM of 32 and 28 by prime factorisation

Find the prime factorisation of 360

Find the prime factorisation of 230

Find the prime factorisation of 144

Find the L.C.M. of the given numbers by prime factorisation method: (i) 27, 90 " " (ii) 36, 48, 210.

Find the HCF and LCM of the following by prime factorisation method : (i) 12,18,24 (ii) 15,25,45

Find the HCF and LCM of the following by prime factorisation method : (i) 12 and 15 (ii) 20 and 25 (iii) 28 and 42