Rangpur Higher Secondary 2017#8
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Please don't post problems (by starting a topic) in the "X: Solved" forums. Those forums are only for showcasing the problems for the convenience of the users. You can always 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.
Please don't post problems (by starting a topic) in the "X: Solved" forums. Those forums are only for showcasing the problems for the convenience of the users. You can always 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.
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- Posts:1007
- Joined:Sat Dec 09, 2017 1:32 pm
How many numbers are there which had no other prime divisors except $7$ or $11$ or $13$ and also less than $2017$?
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- Posts:1007
- Joined:Sat Dec 09, 2017 1:32 pm
Re: Rangpur Higher Secondary 2017#8
Hint
Answer