BdMO Online Forum

So, this is the first day of online number theory camp. The camp will last 7 days. Every day, there will be some practice problems and discussion on them. You don't have to send me any pm or email for discussion/practice problems. Just comment here. Send me pm just for solutions or if there is some problem or if you have problem misunderstanding some topics.
We will have three/four exams. There will be an exam tomorrow at 9 pm. Practice problems will be posted soon. Stay alert.

Check comments below for correction Here is the problem set of Day $1$. Also, interested campers can read the articles attached. They are really helpful. Even if you don't want to read right now, keep them. Some day they might be of use.
For a lot of practice, try or or

I think there is a problem in problem 1 and 4

tanmoy wrote:I think there is a problem in problem 1 and 4

if there is a problem, masum vaia told to send a pm .
so it's better to send him a pm than posting here .

Ooopss...didn't notice.Sorry for that

Don't worry about that. Correct versions: 1. $a$ divides $\gcd(b,c)$
4. If $30$ divides $a+b+c$, then prove that $30$ divides $a^5+b^5+c^5$

There will be an exam tomorrow at 9 a.m. or p.m?

P.M. Though it doesn't matter when because it will be same for everyone.

I think it would better be 9 pm. That way none will miss it.

i can't understand the 5th problem. anybody please help me or provide a bangla version of the problem