How many of Landau's Problems are true?
6
245Ṁ262
2031
2%
0
3%
1
4%
2
8%
3
82%
4

Landau's problems are four conjectures about prime numbers posed by Edmund Landau in 1912, none of which are solved as of 2023:

  1. Goldbach's conjecture: Every even integer (except 2) is the sum of two primes.

  2. Twin prime conjecture: There are infinitely many primes p such that p+2 is also prime.

  3. Legendre's conjecture: There is always a prime between any two perfect squares.

  4. There are infinitely many primes of the form n^2+1.

How many of these conjectures will turn out to be true?

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