Ricardo Vázquez retweeted
Jun 10
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118
Chidambara .ML. retweeted
Jun 10
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214
May 13
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291
May 2
CGMO3: Nontrivial gcd of a^n b^n 1 for all n>=1
#NumberTheory #GreatestCommonDivisor #ModularArithmetic #RelativelyPrime #NumberTheoryUnsolved
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1
7
417
Apr 30
China Northern Mathematical Olympiad 2014 , Problem 7
#ModularArithmetic #NumberTheoryProposed #NumberTheory
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268
Apr 28
[a^1788] and [a^1988] divisible by 17
#Algebra #Polynomial #ModularArithmetic #NumberTheory #Divisibility #IMOShortlist
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167
Apr 27
2n 1 has no prime divisor of the form 8k - 1
#ModularArithmetic #Quadratics #NumberTheoryUnsolved #NumberTheory
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161
Apr 26
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483
Mar 29
Albanian BMO TST 2009 Question 3
#Function #ModularArithmetic #Euler #NumberTheoryUnsolved #NumberTheory
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122
Mar 26
2
7
265
Mar 19
set of exponents and arithmetical progressions
#ModularArithmetic #Ratio #NumberTheoryUnsolved #NumberTheory
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96
Mar 16
S infinite set of primes, product of k distinct elements
#ModularArithmetic #NumberTheory #PrimeNumbers #CombinatorialNumberTheory #IMO #IMO1994 #Combinatorics
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97
Find the last two digits of:
7²⁰²⁵
Hint: Think about modular arithmetic.
#MathOlympiad #NumberTheory #ModularArithmetic #MathPuzzle #MathChallenge #MathProblem #STEM #MathTwitter #BrainTeaser
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262
Mar 8
Show that the task is impossible if r is divisible by 2 or 3
#Rectangle #Combinatorics #GraphTheory #IMO #IMO1996 #ModularArithmetic #IMOShortlist
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5
103
Mar 5
All integer solutions of the equation 2x^2 - y^{14} = 1
#ModularArithmetic #NumberTheory #GreatestCommonDivisor #DiophantineEquation #NumberTheoryProposed
3
104
Feb 24
Number of points in space bounded from above
#AnalyticGeometry #ModularArithmetic #CombinatoricsUnsolved #Combinatorics #NumberTheory #CombinatorialGeometry
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91