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17 Jan 2018, 00:10
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Difficulty:
35%
(medium)
Question Stats:
72% (02:17) correct
28%
(02:36)
wrong
based on 318
sessions
History
Date
Time
Result
Not Attempted Yet
What is the sum of the unique prime factors of 49,400?
A. 7
B. 10
C. 27
D. 30
E. 39
A. 7
B. 10
C. 27
D. 30
E. 39
17 Jan 2018, 00:14
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Bookmarks
E
Factors are 19,13,2,2,5,2,5
Sum of unique factors = 19+13+2+5=39
Sent from my iPhone using GMAT Club Forum
Factors are 19,13,2,2,5,2,5
Sum of unique factors = 19+13+2+5=39
Sent from my iPhone using GMAT Club Forum
