What is the range of the prime factors of \(x,\) where \(x\) is \(275?\)

Scott@TargetTestPrep: GMAT Instructor; Posts: 8086; Joined: Sat Apr 25, 2015 10:56 am; Location: Los Angeles, CA; Thanked: 43 times; Followed by:29 members

Re: What is the range of the prime factors of \(x,\) where \(x\) is \(275?\)

by Scott@TargetTestPrep » Sat Jul 25, 2020 2:22 pm

Vincen wrote: ↑
Wed Jul 22, 2020 12:18 pm
What is the range of the prime factors of \(x,\) where \(x\) is \(275?\)

(A) 5
(B) 6
(C) 11
(D) 30
(E) 55

[spoiler]OA=B[/spoiler]

Source: Magoosh

Solution:

Let’s prime factorize 275:

275 = 55 x 5 = 5 x 11 x 5

Therefore, the prime factors of 275 are 5, 5, 11, and their range 11 - 5 = 6.

Answer: B

Scott Woodbury-Stewart
Founder and CEO
[email protected]

See why Target Test Prep is rated 5 out of 5 stars on BEAT the GMAT. Read our reviews

Quote

GMAT/MBA Expert

Brent@GMATPrepNow: GMAT Instructor; Posts: 16207; Joined: Mon Dec 08, 2008 6:26 pm; Location: Vancouver, BC; Thanked: 5254 times; Followed by:1268 members; GMAT Score:770

Re: What is the range of the prime factors of \(x,\) where \(x\) is \(275?\)

by Brent@GMATPrepNow » Mon Jul 05, 2021 5:04 am

Vincen wrote: ↑
Wed Jul 22, 2020 12:18 pm
What is the range of the prime factors of \(x,\) where \(x\) is \(275?\)

(A) 5
(B) 6
(C) 11
(D) 30
(E) 55

[spoiler]OA=B[/spoiler]

Source: Magoosh

Let's first find the prime factorization of 275...

275 = (5)(5)(11)

Range = 11 - 5 = 6

Answer: B

Cheers,
Brent

Brent Hanneson - Creator of GMATPrepNow.com

Quote

Post new topic Post Reply

• Page 1 of 1