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# What is the sum of the distinct prime factors of 36 ?

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Math Expert
Joined: 02 Sep 2009
Posts: 58421
What is the sum of the distinct prime factors of 36 ?  [#permalink]

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18 Feb 2019, 01:04
00:00

Difficulty:

15% (low)

Question Stats:

76% (00:29) correct 24% (00:31) wrong based on 49 sessions

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What is the sum of the distinct prime factors of 36 ?

A. 2
B. 5
C. 6
D. 8
E. 10

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Location: India
Concentration: Finance, Marketing
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Re: What is the sum of the distinct prime factors of 36 ?  [#permalink]

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18 Feb 2019, 01:10
Prime factor of 36 = $$2^2*3^2$$
Sum of these factors = 2+3 = 5

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Re: What is the sum of the distinct prime factors of 36 ?  [#permalink]

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18 Feb 2019, 01:16
1
Bunuel wrote:
What is the sum of the distinct prime factors of 36 ?

A. 2
B. 5
C. 6
D. 8
E. 10

36= 2^2 * 3^2

prime factors distinct are 2 & 3 = sum = 2+3 ; 5
IMO B
Re: What is the sum of the distinct prime factors of 36 ?   [#permalink] 18 Feb 2019, 01:16
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