## Dhaka Secondary 2010/3

Problem for Secondary Group from Divisional Mathematical Olympiad will be solved here.
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Please don't post problems (by starting a topic) in the "Secondary: Solved" forum. This forum is only for showcasing the problems for the convenience of the users. You can post the problems in the main Divisional Math Olympiad forum. Later we shall move that topic with proper formatting, and post in the resource section.
BdMO
Posts: 134
Joined: Tue Jan 18, 2011 1:31 pm

### Dhaka Secondary 2010/3

If \$N\$ and \$P\$ are integers greater than \$1\$ and if \$P\$ is a factor of both \$N+4\$ and \$N+14\$, what are the values of \$P\$?
Similar: viewtopic.php?f=42&t=382

leonardo shawon
Posts: 169
Joined: Sat Jan 01, 2011 4:59 pm
Location: Dhaka

### Re: Dhaka Secondary 2010/3

factors of 10 are valued for P. Those are 5 , 2 and 10.
Last edited by leonardo shawon on Tue Jan 25, 2011 2:34 pm, edited 1 time in total.
Ibtehaz Shawon
BRAC University.

long way to go .....

AntiviruShahriar
Posts: 125
Joined: Mon Dec 13, 2010 12:05 pm
Location: চট্রগ্রাম,Chittagong
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### Re: Dhaka Secondary 2010/3

leonardo shawon wrote:factors of 10 are valued for P. Those are 5 and 2.
why n0t 10???It's n0t prime factor...

Moon