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3 is a primitive root modulo primes of the form 16 q^4 + 1, where q>3 is prime
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0
princeps
A discrete iteration related to Pierce expansions
Shallit
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1
shallit
A sextic counterexample to Euler's sum of powers conjecture
Euler
✭✭
1
Computational N.T.
maxal
Alexa's Conjecture on Primality
Alexa
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0
princeps
Algebraic independence of pi and e
✭✭✭
0
porton
Are all Fermat Numbers square-free?
✭✭✭
0
Analytic N.T.
kurtulmehtap
Are all Mersenne Numbers with prime exponent square-free?
✭✭✭
0
Analytic N.T.
kurtulmehtap
Are there an infinite number of lucky primes?
Lazarus: Gardiner: Metropolis
;
Ulam
✭
1
Additive N.T.
cubola zaruka
Are there infinite number of Mersenne Primes?
✭✭✭✭
0
Analytic N.T.
kurtulmehtap
Are there only finite Fermat Primes?
✭✭✭
0
Analytic N.T.
kurtulmehtap
Birch & Swinnerton-Dyer conjecture
✭✭✭✭
0
eyoong
Chowla's cosine problem
Chowla
✭✭✭
0
mdevos
Counterexamples to the Baillie-PSW primality test
✭✭
1
Computational N.T.
maxal
Covering systems with big moduli
Erdos
;
Selfridge
✭✭
0
Combinatorial N.T.
Robert Samal
Davenport's constant
✭✭✭
0
Combinatorial N.T.
mdevos
Diophantine quintuple conjecture
✭✭
1
maxal
Distribution and upper bound of mimic numbers
Bhattacharyya
✭✭
1
Analytic N.T.
facility_cttb@i...
Divisibility of central binomial coefficients
Graham
✭✭
1
Combinatorial N.T.
maxal
Erdős–Straus conjecture
Erdos
;
Straus
✭✭
1
ACW
Euler-Mascheroni constant
✭✭✭
0
Analytic N.T.
Juggernaut
Few subsequence sums in Z_n x Z_n
Bollobas
;
Leader
✭✭
0
Combinatorial N.T.
mdevos
Frobenius number of four or more integers
✭✭
1
Combinatorial N.T.
maxal
Gao's theorem for nonabelian groups
DeVos
✭✭
0
Combinatorial N.T.
mdevos
Giuga's Conjecture on Primality
Giuseppe Giuga
✭✭
0
princeps
Goldbach conjecture
Goldbach
✭✭✭✭
0
Additive N.T.
Benschop
Is Skewes' number e^e^e^79 an integer?
✭✭
0
Analytic N.T.
VladimirReshetnikov
Lindelöf hypothesis
Lindelöf
✭✭
0
Analytic N.T.
porton
Lonely runner conjecture
Cusick
;
Wills
✭✭✭
0
mdevos
Lucas Numbers Modulo m
✭✭
1
Martin Erickson
MacEachen Conjecture
McEachen
✭
1
billymac00
Magic square of squares
LaBar
✭✭
1
Computational N.T.
maxal
Odd incongruent covering systems
Erdos
;
Selfridge
✭✭✭
0
Combinatorial N.T.
Robert Samal
Odd perfect numbers
Ancient/folklore
✭✭✭
1
azi
Olson's Conjecture
Olson
✭✭
0
Combinatorial N.T.
mdevos
Perfect cuboid
✭✭
0
Computational N.T.
tsihonglau
Polignac's Conjecture
de Polignac
✭✭✭
0
Hugh Barker
Primitive pythagorean n-tuple tree
✭✭
0
tsihonglau
Quartic rationally derived polynomials
Buchholz
;
MacDougall
✭✭✭
0
mdevos
Schanuel's Conjecture
Schanuel
✭✭✭✭
0
Analytic N.T.
Charles
Sets with distinct subset sums
Erdos
✭✭✭
0
Combinatorial N.T.
mdevos
Singmaster's conjecture
Singmaster
✭✭
1
Combinatorial N.T.
Zach Teitler
Snevily's conjecture
Snevily
✭✭✭
1
Combinatorial N.T.
mdevos
Special Primes
George BALAN
✭
1
maththebalans
Sum of prime and semiprime conjecture
Geoffrey Marnell
✭✭
0
princeps
The 3n+1 conjecture
Collatz
✭✭✭
0
Combinatorial N.T.
dododododo
The Erdos-Turan conjecture on additive bases
Erdos
;
Turan
✭✭✭✭
0
Additive N.T.
mdevos
The Riemann Hypothesis
Riemann
✭✭✭✭
0
Analytic N.T.
eric
Twin prime conjecture
✭✭✭✭
0
kaushiks.nitt
Wall-Sun-Sun primes and Fibonacci divisibility
✭✭
0
Computational N.T.
adudzik
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