Landau's problems

four basic unsolved problems about prime numbers: Goldbach’s conjecture; twin prime conjecture; Legendre’s conjecture; whether there are infinitely many primes of the form 𝑛²+1
Thing mathematical_problem Q2293126
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Landau's problems

Summary

Landau's problems is a mathematical problem[1]. It draws 146 Wikipedia views per month (mathematical_problem category, ranking #21 of 128).[2]

Key Facts

  • Landau's problems's instance of is recorded as mathematical problem[3].
  • Landau's problems's instance of is recorded as mathematical concept[4].
  • Edmund Landau is named after Landau's problems[5].
  • Landau's problems's subclass of is recorded as conjecture[6].
  • Landau's problems's has part is recorded as Goldbach's conjecture[7].
  • Landau's problems's has part is recorded as twin prime conjecture[8].
  • Landau's problems's has part is recorded as Legendre's conjecture[9].
  • Landau's problems's Freebase ID is recorded as /m/0f4gdz[10].
  • Landau's problems's BabelNet ID is recorded as 03392864n[11].
  • Landau's problems's MathWorld ID is recorded as LandausProblems[12].
  • Landau's problems's maintained by WikiProject is recorded as WikiProject Mathematics[13].
  • Landau's problems's Microsoft Academic ID is recorded as 2778832357[14].
  • Landau's problems's ProofWiki ID is recorded as Definition:Landau's_Problems[15].
  • Landau's problems's PlanetMath ID is recorded as LandausProblems[16].

Why It Matters

Landau's problems draws 146 Wikipedia views per month (mathematical_problem category, ranking #21 of 128).[2] It has Wikipedia articles in 22 language editions, a strong signal of global cultural recognition.[17] It is known by 8 alternative names across languages and contexts.[18]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . Freebase Data Dumps. wikidata.org.
  9. [11] . BabelNet. wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [17] . Wikidata sitelinks. wikidata.org.
  3. [18] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Landau's problems. Retrieved May 3, 2026, from https://4ort.xyz/entity/landau-s-problems
MLA “Landau's problems.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/landau-s-problems.
BibTeX @misc{4ortxyz_landau-s-problems_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Landau's problems}}, year = {2026}, url = {https://4ort.xyz/entity/landau-s-problems}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Landau's problems — https://4ort.xyz/entity/landau-s-problems (retrieved 2026-05-03)

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