Find all School-related info fast with the new School-Specific MBA Forum

It is currently 28 Apr 2015, 03:32

Close

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
Your Progress

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

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

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

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Intern
Intern
avatar
Joined: 17 Dec 2007
Posts: 8
Followers: 0

Kudos [?]: 5 [0], given: 0

What is the sum of the different positive prime factors of 550? [#permalink] New post 17 Dec 2007, 16:23
2
This post was
BOOKMARKED
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

84% (01:34) correct 16% (01:19) wrong based on 35 sessions
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, 05:16, edited 1 time in total.
Renamed the topic, edited the question, added the OA and moved to PS forum.
CEO
CEO
User avatar
Joined: 29 Mar 2007
Posts: 2591
Followers: 16

Kudos [?]: 234 [0], given: 0

Re: What is the sum of the different positive prime factors of 550? [#permalink] New post 17 Dec 2007, 18:09
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.
Manager
Manager
avatar
Joined: 03 Sep 2006
Posts: 233
Followers: 1

Kudos [?]: 5 [0], given: 0

Re: What is the sum of the different positive prime factors of 550? [#permalink] New post 17 Dec 2007, 18:23
550 = 5*11*5*2

5+11+2 = 18
1 KUDOS received
Math Forum Moderator
avatar
Joined: 20 Dec 2010
Posts: 2035
Followers: 135

Kudos [?]: 1100 [1] , given: 376

Re: From MitDavidDv: Prime Factor Question [#permalink] New post 01 Jun 2011, 12:40
1
This post received
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"
_________________

~fluke

GMAT Club Premium Membership - big benefits and savings

Manager
Manager
User avatar
Joined: 28 Jan 2011
Posts: 77
Location: Tennessee
Schools: Belmont University
Followers: 1

Kudos [?]: 42 [0], given: 56

Re: From MitDavidDv: Prime Factor Question [#permalink] New post 01 Jun 2011, 13:10
Shalom!

550= 5^2+2+11=18
The prime factors are 5, 2 and 11 therefore the answer is E.
Director
Director
avatar
Joined: 01 Feb 2011
Posts: 763
Followers: 14

Kudos [?]: 68 [0], given: 42

Re: From MitDavidDv: Prime Factor Question [#permalink] New post 01 Jun 2011, 14:08
different prime factors of 550 are 2 , 5, 11

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

Answer is E.
GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 09 Sep 2013
Posts: 4697
Followers: 291

Kudos [?]: 52 [0], given: 0

Premium Member
Re: What is the sum of the different positive prime factors of 550? [#permalink] New post 05 Mar 2015, 00:48
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.
_________________

GMAT Books | GMAT Club Tests | Best Prices on GMAT Courses | GMAT Mobile App | Math Resources | Verbal Resources

Re: What is the sum of the different positive prime factors of 550?   [#permalink] 05 Mar 2015, 00:48
    Similar topics Author Replies Last post
Similar
Topics:
4 Experts publish their posts in the topic What is the sum of the different positive prime factors of 1092? Bunuel 8 12 Nov 2014, 09:12
How many different prime numbers are factors of the positive innate 0 30 Jul 2013, 04:54
9 Experts publish their posts in the topic How many different prime numbers are factors of the positive xyzgmat 12 08 Oct 2010, 16:50
How many different prime numbers are factors of the positive gmacvik 4 22 Oct 2006, 22:37
How many different prime nos are factors of the positive zoom612 5 30 Jul 2006, 04:22
Display posts from previous: Sort by

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

  Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Privacy Policy| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group and phpBB SEO

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.