Open Problem Garden
Help
About
Contact
login/create account
Home
»
Subject
»
Number Theory
Importance:
Outstanding ✭✭✭✭
Author(s):
Subject:
Number Theory
Keywords:
prime
twin prime
Recomm. for undergrads:
no
Posted
by:
kaushiks.nitt
on:
June 4th, 2009
Conjecture
There exist infinitely many positive integers
so that both
and
are prime.
Bibliography
* indicates original appearance(s) of problem.
5 comments
Reply
Are you a person?:
*
Subject:
Comment:
*
Comments are limited to a maximum of 1000 characters.
More information about formatting options
Navigate
Subject
Algebra
(7)
Analysis
(5)
Combinatorics
(35)
Geometry
(29)
Graph Theory
(228)
Group Theory
(5)
Logic
(10)
Number Theory
(49)
Additive N.T.
(3)
Analytic N.T.
(10)
Combinatorial N.T.
(12)
Computational N.T.
(5)
PDEs
(0)
Probability
(1)
Theoretical Comp. Sci.
(13)
Topology
(40)
Unsorted
(1)
Author index
Keyword index
more
Recent Activity
Chords of longest cycles
Do any three longest paths in a connected graph have a vertex in common?
Chromatic number of $\frac{3}{3}$-power of graph
3-Edge-Coloring Conjecture
r-regular graphs are not uniquely hamiltonian.
more