Question

find the GCD of the following number by long division method? (a) 120 and 140

Answer 1

120)140(1
120
20)120(6
120
000
so, 20 is the answer

Answer 2

$\textbf {Hey there, here is the solution.}$

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Find the prime factors of 120 and 140:

120 = 2³ x 3 x 5

140 = 2² x 5 x 7

.

Find the Greatest Common Factor:

GFC = 2² x 5 = 20

.

Answer: The GCF is 20

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⭐$\textbf {Cheers}$⭐