Question

hcf of 78 104 117 169​

Answer 1

Answer:

Given, length of four metal roads are 78, 104, 117 and 169 cm.

Now,

78 = 13 x 2 x 3,

104 = 13 x 2 x 2 x 2,

117 = 13 x 3 x 3,

169 = 13 x 13

Length of each piece of rod as long as possible, HCF = 13 CM

∴ Number of piece = 6 + 8 + 9 + 13 = 36

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Answer 2

Step-by-step explanation:

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