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# prime numbers

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Senior Manager
Joined: 04 Aug 2008
Posts: 372

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05 Oct 2008, 12:15
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

pn
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The one who flies is worthy. The one who is worthy flies. The one who doesn't fly isn't worthy

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SVP
Joined: 17 Jun 2008
Posts: 1534

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Re: prime numbers [#permalink]

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05 Oct 2008, 12:31
Is the answer "Two"?

Only possible two digits with the defined length as 6 are 2*2*2*2*2*2 = 64 and 2*2*2*2*2*3 = 96.

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Senior Manager
Joined: 04 Aug 2008
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Re: prime numbers [#permalink]

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05 Oct 2008, 13:36
what threw me off was same approach but
1*1*1*1*1*2
1*1*1*1*2*2
...etc

so i figured i am doing something wrong..
_________________

The one who flies is worthy. The one who is worthy flies. The one who doesn't fly isn't worthy

Kudos [?]: 39 [0], given: 1

Intern
Joined: 06 Jul 2008
Posts: 30

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Re: prime numbers [#permalink]

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05 Oct 2008, 15:26
I also feel that it should be 2 only as stated 64 & 96. I started replacing from the end and tried to see if I can make some more numbers. But could not.

Would go for Two.

Btw, 1 is not a prime number because, it is only divisible by 1 and all primes should be divisible by 1 and the same numbers themselves.

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Current Student
Joined: 28 Dec 2004
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Location: New York City
Schools: Wharton'11 HBS'12
Re: prime numbers [#permalink]

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05 Oct 2008, 16:00
i too get 2..

2^6

2^5*3

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Manager
Joined: 25 Aug 2008
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Location: India
WE 1: 3.75 IT
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Re: prime numbers [#permalink]

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06 Oct 2008, 03:28

2^6 = 64 and 2^5*3 = 96 are the two digitive positive numbers.
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Varun

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Re: prime numbers   [#permalink] 06 Oct 2008, 03:28
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# prime numbers

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