Home›Chinese mathematics›Chinese hypothesis🌐EnglishEnglishEspañolFrançaisTiếng ViệtРусский中文日本語EntityQ5100807· pop 7· linked from 34 articlesChinese hypothesisthe false conjecture that a positive integer 𝑛 is prime iff 𝑛 divides 2ⁿ−2Available in 7 languagesEspañolFrançais中文РусскийGreekTiếng Việtvia Wikidata sitelinks · CC0ConnectionsFermat pseudoprimeEntityFirst Hardy–Littlewood conjectureEntityCategoriesChinese mathematicsConjectures about prime numbersDisproved conjecturesMisconceptionsPseudoprimes