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What is the greatest prime factor of 2^100-2^96? Thanks for

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Intern
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What is the greatest prime factor of 2^100-2^96? Thanks for [#permalink]

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New post 26 Oct 2008, 23:40
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

What is the greatest prime factor of 2^100-2^96?
Thanks for your help.
Laurence

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Re: Greatest Factor [#permalink]

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New post 27 Oct 2008, 00:42
What is the greatest prime factor of 2^100-2^96?
Thanks for your help.


2^96(2^4 - 1) = 2^96( 15).............5 is the greatest factor

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Re: Greatest Factor [#permalink]

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New post 27 Oct 2008, 04:32
yezz wrote:
What is the greatest prime factor of 2^100-2^96?
Thanks for your help.


2^96(2^4 - 1) = 2^96( 15).............5 is the greatest factor


agreed with Yezz :)
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"You have to find it. No one else can find it for you." - Bjorn Borg

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Re: Greatest Factor [#permalink]

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New post 27 Oct 2008, 22:34
Thanks! :-D
Laurence

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Re: Greatest Factor   [#permalink] 27 Oct 2008, 22:34
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What is the greatest prime factor of 2^100-2^96? Thanks for

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