1.
Find the HCF of the following numbers by factor method.
Di
(a) 7, 18
(b) 12, 30, 54
(c) 70, 14, 35

Question

1. Find the HCF of the following numbers by factor method. Di (a) 7, 18 (b) 12, 30, 54 (c) 70, 14, 35​

Rylee · Answer

a) 7=7×1  18=2×3×3×1  HCF=1    b)12=2×2×3  30=2×3×5  54=2×3×3×3  hcf=2×3  =6    c)70=2×5×7  14=2×7  35=5×7  hcf=7

Gabriella · Answer

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1.Find the HCF of the following numbers by factor method.Di(a) 7, 18(b) 12, 30, 54(c) 70, 14, 35​