Lemoine's conjecture

conjecture that any odd integer >5 equals an odd prime plus an even semiprime
Place conjecture Q1129629
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Lemoine's conjecture

Summary

Lemoine's conjecture is a conjecture[1]. It draws 12 Wikipedia views per month (conjecture category, ranking #44 of 128).[2]

Key Facts

  • Lemoine's conjecture's instance of is recorded as conjecture[3].
  • Émile Lemoine is named after Lemoine's conjecture[4].
  • Hyman Levy is named after Lemoine's conjecture[5].
  • Lemoine's conjecture's Freebase ID is recorded as /m/02wcxsj[6].
  • Lemoine's conjecture's MathWorld ID is recorded as LevysConjecture[7].
  • Lemoine's conjecture's maintained by WikiProject is recorded as WikiProject Mathematics[8].
  • Lemoine's conjecture's Microsoft Academic ID is recorded as 2780294095[9].
  • Lemoine's conjecture's ProofWiki ID is recorded as Lemoine's_Conjecture[10].

Body

Designation and Status

Lemoine's conjecture's instance of is recorded as conjecture[3].

History and Context

Things named after include Émile Lemoine[4], a mathematician[11], 1840–1912[12], of France[13], awarded the Knight of the Legion of Honour[14], specialised in geometry[15] and Hyman Levy[5], a mathematician[16], 1889–1975[17], of United Kingdom[18], awarded the Fellow of the Royal Society of Edinburgh[19], specialised in mathematics[20].

Why It Matters

Lemoine's conjecture draws 12 Wikipedia views per month (conjecture category, ranking #44 of 128).[2] It has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[21] It is known by 4 alternative names across languages and contexts.[22]

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] . Freebase Data Dumps. wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.

Inline context (facts about related entities)

  1. [11] . Wikidata. wikidata.org. → on this site
  2. [12] . Wikidata. wikidata.org. → on this site
  3. [13] . Wikidata. wikidata.org. → on this site
  4. [14] . Wikidata. wikidata.org. → on this site
  5. [15] . Wikidata. wikidata.org. → on this site
  6. [16] . Wikidata. wikidata.org. → on this site
  7. [17] . Wikidata. wikidata.org. → on this site
  8. [18] . Wikidata. wikidata.org. → on this site
  9. [19] . Wikidata. wikidata.org. → on this site
  10. [20] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [21] . Wikidata sitelinks. wikidata.org.
  3. [22] . 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). Lemoine's conjecture. Retrieved May 3, 2026, from https://4ort.xyz/entity/lemoine-s-conjecture
MLA “Lemoine's conjecture.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/lemoine-s-conjecture.
BibTeX @misc{4ortxyz_lemoine-s-conjecture_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Lemoine's conjecture}}, year = {2026}, url = {https://4ort.xyz/entity/lemoine-s-conjecture}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Lemoine's conjecture — https://4ort.xyz/entity/lemoine-s-conjecture (retrieved 2026-05-03)

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