Find HCF and LCM of
120 ,105 and 150 by prime
factorisation method .
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1. find 105 ,120 and 150 prime factorisation
then
sol. 105= 3 x 5 x 7
150= 2 x 3 x 5 x 5
120= 2 x 2 x 2 x 3 x 5
H.C.F = 3 x 5 = 15
L.C.M = 3 x 5 x 2 x 2 x 2 x 7 x 2 x 5 = find it own
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