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prime numbers

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prime numbers [#permalink] New post 05 Oct 2008, 11:15
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Re: prime numbers [#permalink] New post 05 Oct 2008, 11:31
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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Re: prime numbers [#permalink] New post 05 Oct 2008, 12:36
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..
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Re: prime numbers [#permalink] New post 05 Oct 2008, 14:26
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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Re: prime numbers [#permalink] New post 05 Oct 2008, 15:00
i too get 2..


2^6

2^5*3
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Re: prime numbers [#permalink] New post 06 Oct 2008, 02:28
Two is answer.

2^6 = 64 and 2^5*3 = 96 are the two digitive positive numbers.
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Re: prime numbers   [#permalink] 06 Oct 2008, 02:28
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