Find the H.C.F. of the following numbers by writing all factors 1) 3,8 2)26,38,42 3)10,20,30 4)225,625
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The common factors of 18 and 27 are 1, 3 and 9. ... 1) 10 , 3 30 2) 14 , 6 42 3) 15 , 6 30 4) 15 , 20 60 5) 27 , 18 54 6) 4, 30 60 7) 24 , 32 ... Hence, HCF = 1 30/45 = 2/3
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