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# Is the prime number p equal to 3

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Intern
Joined: 18 Apr 2011
Posts: 43
Location: United States
WE: Information Technology (Computer Software)
Is the prime number p equal to 3  [#permalink]

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11 Nov 2012, 08:56
1
00:00

Difficulty:

45% (medium)

Question Stats:

51% (00:38) correct 49% (00:33) wrong based on 134 sessions

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Is the prime number p equal to 3 ?

(1) p = n + 1, where n is a prime number.
(2) p is divisible by 3.

Why is it and not C?
Math Expert
Joined: 02 Sep 2009
Posts: 47152
Re: Is the prime number p equal to 3  [#permalink]

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11 Nov 2012, 09:02
1
1
Is the prime number p equal to 3 ?

(1) p = n + 1, where n is a prime number. This statement implies that n and p are consecutive numbers and both are primes (also one is even and another odd). The only such pair is 2 and 3. Sufficient.

(2) p is divisible by 3. This statement directly says that p is 3 (which other prime can be divisible by 3?). Sufficient.

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Intern
Joined: 18 Apr 2011
Posts: 43
Location: United States
WE: Information Technology (Computer Software)
Re: Is the prime number p equal to 3  [#permalink]

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13 Nov 2012, 08:05
Bunuel wrote:
Is the prime number p equal to 3 ?

(1) p = n + 1, where n is a prime number. This statement implies that n and p are consecutive numbers and both are primes (also one is even and another odd). The only such pair is 2 and 3. Sufficient.

(2) p is divisible by 3. This statement directly says that p is 3 (which other prime can be divisible by 3?). Sufficient.

Thanks man, silly of me to ignore that point
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Joined: 09 Sep 2013
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Re: Is the prime number p equal to 3  [#permalink]

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28 Sep 2017, 08:05
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Is the prime number p equal to 3 &nbs [#permalink] 28 Sep 2017, 08:05
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