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Chinese hypothesis

the false conjecture that a positive integer 𝑛 is prime iff 𝑛 divides 2ⁿ−2
Intangible Failed Hypothesis Q5100807

Facts

5 properties
Instance of
failed hypothesis
Defining formula
n\in\mathbb P \overset?\iff 2^n\equiv 2\pmod n[3]
Discoverer or inventor
Li Shanlan[2]
In defining formula
\mathbb P[5]
Maintained by WikiProject
WikiProject Mathematics[4]
🏷️ Also known as
en Chinese hypothesis ar الفرضية الصينية ar فرضية صينية el Κινεζική υπόθεση es Hipotesis china es Hipótesis china fr Hypothèse chinoise (mathématiques) ja 中国人の仮説 ru Китайская гипотеза vi Giả thiết Trung quốc vi Giả thiết Trung Quốc zh 中国猜想
🔖 Identifiers · 4
Encyclopædia Britannica Online ID
topic/Chinese-hypothesis
Freebase ID
/m/02r6x7x
MathWorld ID
ChineseHypothesis
Microsoft Academic ID (discontinued)
2778502586

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🔗 Connections
Discoverer or inventor 1
Li Shanlan
Maintained by WikiProject 1
WikiProject Mathematics
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Summary

Chinese hypothesis is a failed hypothesis[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). Chinese hypothesis. Retrieved November 12, 2026, from https://4ort.xyz/entity/chinese-hypothesis
MLA “Chinese hypothesis.” 4ort.xyz Knowledge Graph, 4ort.xyz, 12 Nov. 2026, https://4ort.xyz/entity/chinese-hypothesis.
BibTeX @misc{4ortxyz_chinese-hypothesis_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Chinese hypothesis}}, year = {2026}, url = {https://4ort.xyz/entity/chinese-hypothesis}, note = {Accessed: 2026-11-12}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Chinese hypothesis — https://4ort.xyz/entity/chinese-hypothesis (retrieved 2026-11-12)

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