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The number of prime numbers divisible by 2
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20 Apr 2018, 11:29
20 Apr 2018, 11:29
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Question Stats:
77% (00:19) correct
22% (00:26) wrong based on 96 sessions
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Quantity A |
Quantity B |
The number of prime numbers divisible by 2 |
The number of prime numbers divisible by 3 |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
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Joined: 10 Apr 2015
Posts: 6218
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Re: The number of prime numbers divisible by 2
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06 Jan 2019, 11:22
06 Jan 2019, 11:22
1
Carcass wrote:
Quantity A |
Quantity B |
The number of prime numbers divisible by 2 |
The number of prime numbers divisible by 3 |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Let's list some prime numbers: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, . . . etc
Notice that 2 is the only prime number divisible by 2
If any other number in the list were divisible by 2, then that number would NOT be prime.
So, there's only 1 prime number that's divisible by 2
Now notice that 3 is the only prime number divisible by 3
If any other number in the list were divisible by 3, then that number would NOT be prime.
So, there's only 1 prime number that's divisible by 3
We get:
QUANTITY A: 1
QUANTITY B: 1
Answer: C
Cheers,
Brent
Re: The number of prime numbers divisible by 2
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24 May 2025, 16:10
24 May 2025, 16:10
Hello from the GRE Prep Club BumpBot!
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Thanks to another GRE Prep 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).
Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
