It is currently 19 Oct 2017, 06:03

### GMAT Club Daily Prep

#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# What is the sum of the different positive prime factors of 550?

Author Message
TAGS:

### Hide Tags

Intern
Joined: 17 Dec 2007
Posts: 8

Kudos [?]: 17 [1], given: 0

What is the sum of the different positive prime factors of 550? [#permalink]

### Show Tags

17 Dec 2007, 17:23
1
KUDOS
6
This post was
BOOKMARKED
00:00

Difficulty:

5% (low)

Question Stats:

88% (00:35) correct 12% (00:33) wrong based on 207 sessions

### HideShow timer Statistics

What is the sum of the different positive prime factors of 550?

A. 10
B. 11
C. 15
D. 16
E. 18
[Reveal] Spoiler: OA

Last edited by Bunuel on 05 Mar 2015, 06:16, edited 1 time in total.
Renamed the topic, edited the question, added the OA and moved to PS forum.

Kudos [?]: 17 [1], given: 0

CEO
Joined: 29 Mar 2007
Posts: 2554

Kudos [?]: 513 [0], given: 0

Re: What is the sum of the different positive prime factors of 550? [#permalink]

### Show Tags

17 Dec 2007, 19:09
1
This post was
BOOKMARKED
mbsnyc wrote:
What is the sum of the different positive prime factors of 550?

550

55*10 --> 5*11*2*5 --> 5+11+2=18. Remember its asking for the DIFFERENT positive prime factors of 550.

Kudos [?]: 513 [0], given: 0

Manager
Joined: 03 Sep 2006
Posts: 233

Kudos [?]: 25 [0], given: 0

Re: What is the sum of the different positive prime factors of 550? [#permalink]

### Show Tags

17 Dec 2007, 19:23
550 = 5*11*5*2

5+11+2 = 18

Kudos [?]: 25 [0], given: 0

Math Forum Moderator
Joined: 20 Dec 2010
Posts: 1964

Kudos [?]: 2051 [1], given: 376

Re: From MitDavidDv: Prime Factor Question [#permalink]

### Show Tags

01 Jun 2011, 13:40
1
KUDOS
MitDavidDv wrote:
What is the sum of the different positive prime factors of 550?
A. 10
B. 11
C. 15
D. 16
E. 18

$$550=275*2=25*11*2=5*5*11*2=5^2*11*2$$

Different prime numbers are 5, 11 and 2.

Sum=5+11+2=18

Ans: "E"
_________________

Kudos [?]: 2051 [1], given: 376

Manager
Joined: 28 Jan 2011
Posts: 76

Kudos [?]: 206 [0], given: 75

Location: Tennessee
Schools: Belmont University
Re: From MitDavidDv: Prime Factor Question [#permalink]

### Show Tags

01 Jun 2011, 14:10
Shalom!

550= 5^2+2+11=18
The prime factors are 5, 2 and 11 therefore the answer is E.

Kudos [?]: 206 [0], given: 75

Director
Joined: 01 Feb 2011
Posts: 726

Kudos [?]: 143 [0], given: 42

Re: From MitDavidDv: Prime Factor Question [#permalink]

### Show Tags

01 Jun 2011, 15:08
different prime factors of 550 are 2 , 5, 11

=> sum of prime factors = 2+5+11 = 18

Kudos [?]: 143 [0], given: 42

GMAT Club Legend
Joined: 09 Sep 2013
Posts: 16679

Kudos [?]: 273 [0], given: 0

Re: What is the sum of the different positive prime factors of 550? [#permalink]

### Show Tags

05 Mar 2015, 01:48
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).

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.
_________________

Kudos [?]: 273 [0], given: 0

GMAT Club Legend
Joined: 09 Sep 2013
Posts: 16679

Kudos [?]: 273 [0], given: 0

Re: What is the sum of the different positive prime factors of 550? [#permalink]

### Show Tags

10 Oct 2016, 14:10
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).

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.
_________________

Kudos [?]: 273 [0], given: 0

Re: What is the sum of the different positive prime factors of 550?   [#permalink] 10 Oct 2016, 14:10
Display posts from previous: Sort by