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Which of the following are the prime factors of
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07 Jul 2023, 05:26
07 Jul 2023, 05:26
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71% (00:54) correct
28% (00:54) wrong based on 7 sessions
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Which of the following are the prime factors of \(3^9+3^{11}+3^{13}\)?
A. 3
B. 7
C. 13
D. 91
E. \(3^9\)
Post A Detailed Correct Solution For The Above Questions And Get Kudos.
Question From Our Project: Free GRE Prep Club Tests in Exchange for 20 Kudos
\(\Longrightarrow\) GRE - Quant Daily Topic-wise Challenge
\(\Longrightarrow\) GRE NUMBER PROPERTIES
A. 3
B. 7
C. 13
D. 91
E. \(3^9\)
Post A Detailed Correct Solution For The Above Questions And Get Kudos.
Question From Our Project: Free GRE Prep Club Tests in Exchange for 20 Kudos
\(\Longrightarrow\) GRE - Quant Daily Topic-wise Challenge
\(\Longrightarrow\) GRE NUMBER PROPERTIES
Re: Which of the following are the prime factors of
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07 Aug 2023, 10:38
07 Aug 2023, 10:38
Expert Reply
OE
\(3^9+3^{11}+3^{13}\)\(= 3^9(1+3^2+3^4) = 3^9(1+9+81)=3^9*91=3^9*7*13\)
Therefore the prime factors are 3,7,13 only
A,B,and C are the answers
\(3^9+3^{11}+3^{13}\)\(= 3^9(1+3^2+3^4) = 3^9(1+9+81)=3^9*91=3^9*7*13\)
Therefore the prime factors are 3,7,13 only
A,B,and C are the answers
gmatclubot
Re: Which of the following are the prime factors of [#permalink]
07 Aug 2023, 10:38
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