if m is an integer is 14 a factor of m I) 14 is a factor of

Oldest

Best Reply

Author

Message

TAGS:

Director

Joined: 07 Jun 2004

Posts: 641

Location: PA

Followers: 1

Kudos [?]: 60 [0], given: 22

if m is an integer is 14 a factor of m I) 14 is a factor of [#permalink]

19 Jan 2005, 16:49

00:00

Question Stats:

0% (00:00) correct

0% (00:00) wrong

based on 0 sessions

if m is an integer is 14 a factor of m

I) 14 is a factor of 15m

II) 14 is a factor of 16m

Director

Joined: 21 Sep 2004

Posts: 738

Followers: 1

Kudos [?]: 3 [0], given: 0

[#permalink]

19 Jan 2005, 18:27

D
14=7*2 or 14*1
14 is a factor of 15M
neither 7 or 2 is a factor of 15.. that makes 14 a factor of M.
sufficient

14 is a factor of 16M

sufficient

SVP

Joined: 25 Nov 2004

Posts: 1582

Followers: 4

Kudos [?]: 13 [0], given: 0

Re: DS : number Prop 3 [#permalink]

19 Jan 2005, 18:28

rxs0005 wrote:

if m is an integer, is 14 a factor of m

I) 14 is a factor of 15m

II) 14 is a factor of 16m

A for me.....................

Director

Joined: 21 Sep 2004

Posts: 738

Followers: 1

Kudos [?]: 3 [0], given: 0

Re: DS : number Prop 3 [#permalink]

19 Jan 2005, 18:32

MA wrote:

rxs0005 wrote:

if m is an integer, is 14 a factor of m

I) 14 is a factor of 15m

II) 14 is a factor of 16m

A for me.....................

i initially picked A.. can you tell me.. why is B not sufficient..

Director

Joined: 21 Sep 2004

Posts: 738

Followers: 1

Kudos [?]: 3 [0], given: 0

[#permalink]

19 Jan 2005, 18:34

i think...II is insufficient.. cauz 16=8*2, 4*4,16*1
is that right?

SVP

Joined: 18 Nov 2004

Posts: 1544

Followers: 2

Kudos [?]: 9 [0], given: 0

[#permalink]

19 Jan 2005, 18:39

"A" it is.

statement 2 ....16m = 8x2xm====> m can be a factor of only 7 and be still divisible by 14...insuff

Manager

Joined: 06 Dec 2004

Posts: 73

Location: san diego

Followers: 1

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

Re: DS : number Prop 3 [#permalink]

20 Jan 2005, 22:29

rxs0005 wrote:

if m is an integer is 14 a factor of m

I) 14 is a factor of 15m

II) 14 is a factor of 16m

I go A as well

I The only time that 14 is a factor of 15m is when M = 14 or a mutiple of 14 thus 14 will always be a factor of M

II There are combinations where 14 is a factor of 16m but not of M

So A

SVP

Joined: 03 Jan 2005

Posts: 2322

Followers: 9

Kudos [?]: 157 [0], given: 0

[#permalink]

21 Jan 2005, 12:28

A.

II is not sufficient.

Use a counter example.

if m=7, then 14 is a factor of 16m, but not a factor of m.

SVP

Joined: 25 Nov 2004

Posts: 1582

Followers: 4

Kudos [?]: 13 [0], given: 0

Re: DS : number Prop 3 [#permalink]

22 Jan 2005, 21:32

vprabhala wrote:

MA wrote:

rxs0005 wrote:

if m is an integer, is 14 a factor of m

I) 14 is a factor of 15m

II) 14 is a factor of 16m

A for me.....................

i initially picked A.. can you tell me.. why is B not sufficient..

from i, 14 is factor of m because 14 is factor of 15m. if 14 is factor of 15m, it must be divisible by 14. 15m=15x14xk, where k is an integer.

from ii, 14 is factor 16m means 14 is not necessarilly a factor of m.
if m=14, 16m = 16 x 14, the result is divided by 14 and 14 is a factor of 16m.
if m=7, 16m = 16 x 7, the result is still divided by 14 but m=7 is not a factor of m.

Re: DS : number Prop 3 [#permalink] 22 Jan 2005, 21:32

		Similar topics	Author	Replies	Last post
Similar Topics:	2	M03 Q14	LiveStronger	17	08 Nov 2008, 09:28
	10	M14 #13	dczuchta	23	11 Nov 2008, 21:40
	5	M14 #27	dczuchta	18	13 Nov 2008, 17:55
	8	If m and n are positive integers such that m is a factor of	kulki	9	04 Oct 2011, 20:59
		What is the value of integer x? (M27-14)	LM	10	16 Jan 2013, 00:51

if m is an integer is 14 a factor of m I) 14 is a factor of

Main navigation

GMAT Resources

Partners

MBA Resources

GMAT ® is a registered trademark of the Graduate Management Admission Council ® (GMAC ®). GMAT Club's website has not been reviewed or endorsed by GMAC.

GMAT Courses

Admissions Consulting

if m is an integer is 14 a factor of m I) 14 is a factor of

if m is an integer is 14 a factor of m I) 14 is a factor of

Main navigation

GMAT Resources

Partners

MBA Resources