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The product of the first twelve positive integers is

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Manager
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Joined: 20 Nov 2006
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The product of the first twelve positive integers is [#permalink] New post 20 Apr 2007, 09:23
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A
B
C
D
E

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100% (01:51) correct 0% (00:00) wrong based on 7 sessions
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The product of the first twelve positive integers is divisible by all of the following EXCEPT
(A) 210
(B) 88
(C) 75
(D) 60
(E) 34


Please explain the asnwers
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Joined: 08 Jun 2005
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 [#permalink] New post 20 Apr 2007, 09:38
my answer is (E)

since 1*2*3*4*5*6*7*8*9*10*11*12 =

only 34 has prime factors grater then 12 = 17*2

that cannot be divided !!

:-D
  [#permalink] 20 Apr 2007, 09:38
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