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23 Oct 2018, 21:31
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
90% (00:47) correct
10%
(00:54)
wrong
based on 210
sessions
History
Date
Time
Result
Not Attempted Yet
The Greatest Common Factor (GCF) of 48 and 72 is
A. 4
B. 6
C. 12
D. 24
E. 48
A. 4
B. 6
C. 12
D. 24
E. 48
23 Oct 2018, 21:37
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Bunuel
48 = 24*2
72 = 24*3
there is no GCD of 2 and 3 except 1 therefore GCF of 48 and 72 = 24
Answer: Option D
eswarchethu135
23 Oct 2018, 21:50
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48 = \(3\) * \(2^4\)
72 = \(3^2\) * \(2^3\)
From both the numbers \(3\) * \(2^3\) is common for both.
So GCD is \(3\) * \(2^3\) = \(24\)
72 = \(3^2\) * \(2^3\)
From both the numbers \(3\) * \(2^3\) is common for both.
So GCD is \(3\) * \(2^3\) = \(24\)
