Mathematics
Elaqqad
  • Member for 6 years, 8 months
Profile Activity
Stats
13,248
reputation
227k
reached
405
answers
46
questions
About

I'm currently an undergraduate student in computer science, and especially in theoretical computer science. I like solving and making hard problems in number theory, arithmetic, Combinatorics, Olympiads... . I'm here to help others and to share my ideas with them.

Communities (7)

Top network posts

This user doesn’t have any gold badges yet.
14
silver badges
46
bronze badges
View all badges

Top tags (187)

Score 215
Posts 104
Posts % 23
Score 208
Posts 107
Score 91
Posts 40
Score 79
Posts 51
Score 68
Posts 33
Score 67
Posts 31
View all tags →

Top posts (451)

All Questions Answers
Votes Newest
23 What is wrong with this putative proof? Apr 2 '15
17 How to prove that the Fibonacci sequence is periodic mod 5 without using induction? Jul 12 '15
16 Is this extension of Goldbach's conjecture obviously false? Jul 9 '15
16 Improvement IMO 1988 $f(f(n))=n+1987$ Jan 28 '15
14 when $F_n^2+F_m^2$ is a square for fibonacci numbers Feb 15 '15
14 Can every even integer greater than four be written as a sum of two twin primes? Mar 8 '15
12 Elementary proof for $\sqrt{p_{n+1}} \notin \mathbb{Q}(\sqrt{p_1}, \sqrt{p_2}, \ldots, \sqrt{p_n})$ where $p_i$ are different prime numbers. Apr 11 '15
12 Show that for any prime $ p $, there are integers $ x $ and $ y $ such that $ p|(x^{2} + y^{2} + 1) $. May 1 '15
10 Prove that $14322\mid n^{31} - n$ Apr 9 '15
10 Arrangement of integers in a row such that the sum of every two adjacent numbers is a perfect square. Feb 28 '15
View all questions and answers →

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.