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Find the H.C.F and L.C.M of …

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Find the H.C.F and L.C.M of 18 and 24 by prime factorisation method

Posted by Abhay Rana 6 years, 7 months ago

CBSE > Class 10 > Mathematics

3 answers

Hans Raj 6 years, 7 months ago

factors of 18 = 2x3x3

24 = 2x2x2x3

common factors in both are 2 and 3 only

thus HCF = 2x3 = 6

please check your answer divide 18 by 6 the remainder is zero

24 by 6 the remainder is zero

Kavish Gupta 6 years, 7 months ago

if we have to do the LCM and HCF of this by prime factorization we have to divide these two numbers by a number which they are both diesel divisible if we divide this number by 2 we get 9 and 12 after this wedding this by 3 week at 3 and 4 again 3 and we get 1 and 4 and the four finally we get the answer one that the LCM of these two numbers is 2 x 3 multiply 3 and again by 4

Navneet Jha 6 years, 7 months ago

18=2×3×3 24=2×2×2×3 Common factor=2×3 Hcf=6

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