Events & Promotions
|
|
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
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
May 2308:30 AM PDT
-09:30 AM PDT
Most students struggle to improve their GMAT score even after putting in a lot of effort and multiple attempts. Knowing what to do next in order to succeed can be the game changer in such cases.
May 2010:00 AM EDT
-11:00 AM EDT
The Target Test Prep GMAT Flash Sale is LIVE! Get 25% off our game-changing course and save up to $450 today! Use code FLASH25 at checkout. This limited-time deal won’t last long, so grab your discount now!- May 22
08:30 AM PDT
-09:30 AM PDT
Are your MBA career goals powerful enough to impress admissions committees? One of the main reasons MBA applicants don't secure admission into top business schools is having unclear or unrealistic career goals. 
May 2211:30 AM EDT
-12:30 PM EDT
Looking for your GMAT motivation to break through the score plateau? Pragati improved her score by massive 160 points with strategic guidance and hard-work! Find out how personalized mentorship and a strong mindset can turn GMAT struggles into success.
May 2406:30 AM PDT
-08:30 AM PDT
Did you know that around 66% of CR questions fall under a certain Framework? Learn how to Pre-think assumptions within 90 seconds using Guided Framework driven Pre- thinking in Causality, Plan-Goal, Comparison and Quant based questions and ace GMAT!
May 2411:00 AM IST
-01:00 PM IST
Do RC/MSR passages scare you? e-GMAT is conducting a masterclass to help you learn –1. Learn effective reading strategies 2.Tackle difficult RC & MSR with confidence 3.Excel in timed test environment
May 2408:00 PM PDT
-09:00 PM PDT
Full-length FE mock with insightful analytics, weakness diagnosis, and video explanations!
May 3110:00 AM EDT
-11:59 PM EDT
Get a massive $325 off the TTP OnDemand GMAT masterclass by using the coupon code FLASH25 at checkout. If you prefer learning through engaging video lessons, TTP OnDemand GMAT is exactly what you need.- Jun 10
06:00 AM PDT
-05:30 PM PDT
Register for the GMAT Club Virtual MBA Spotlight fair, the biggest MBA fair of the year. You will have a chance to hear Admissions directors from almost every Top 20 program speak, network with peers, and conveniently attend morning or afternoon sessions.
04 Dec 2014, 01:32
Kudos
Bookmarks
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
69% (01:01) correct
31%
(01:06)
wrong
based on 488
sessions
History
Date
Time
Result
Not Attempted Yet
How many positive distinct prime factors does 5^20 + 5^17 have?
A) One
B) Two
C) Three
D) Four
E) Five
A) One
B) Two
C) Three
D) Four
E) Five
04 Dec 2014, 01:43
Kudos
Bookmarks
pbarrocas
How many positive distinct prime factors does 5^20 + 5^17 have?
A) One
B) Two
C) Three
D) Four
E) Five
A) One
B) Two
C) Three
D) Four
E) Five
\(5^{20} + 5^{17}\) = \(5^{17}(5^3+1)\)
=\(5^{17}(125+1)\)
=\(5^{17} (126)\)
=\(5^{17} .2.7.3^2\)
thus total number of distinct prime factors are 4 (2,3,5,7)
General Discussion
31 Jan 2016, 18:59
Kudos
Bookmarks
manpreetsingh86
pbarrocas
How many positive distinct prime factors does 5^20 + 5^17 have?
A) One
B) Two
C) Three
D) Four
E) Five
A) One
B) Two
C) Three
D) Four
E) Five
\(5^{20} + 5^{17}\) = \(5^{17}(5^3+1)\)
=\(5^{17}(125+1)\)
=\(5^{17} (126)\)
=\(5^{17} .2.7.3^2\)
thus total number of distinct prime factors are 4 (2,3,5,7)
Hi,
Shouldn't it be 1, 2, 3, 5 and 7? Please confirm. Thanks.
