How mnay ositive prime factors

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showbu: Master | Next Rank: 500 Posts; Posts: 114; Joined: Tue Dec 23, 2008 5:33 pm

by showbu » Tue Jan 20, 2009 6:58 pm

If n is a positive integer less than 200 and 14n/60 is an integer, than n has how many different positive prime factors?

a. 2
b 3
c 5
d 6
e 8

Source: Beat The GMAT — Problem Solving | Tue Jan 20, 2009 6:58 pm

DanaJ: Site Admin; Posts: 2567; Joined: Thu Jan 01, 2009 10:05 am; Thanked: 712 times; Followed by:550 members; GMAT Score:770

by DanaJ » Wed Jan 21, 2009 12:12 am

Check this out:
https://www.beatthegmat.com/3-problems-f ... tml#112252

One of the problems discussed here is the one you've posted.

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