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Cunningham Project
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==Notation== ''b''<sup>''n''</sup> − 1 is denoted as ''b'',''n''−. Similarly, ''b''<sup>''n''</sup> + 1 is denoted as ''b'',''n''+. When dealing with numbers of the form required for aurifeuillean factorization, ''b'',''n''L and ''b'',''n''M are used to denote L and M in [[Cunningham project#Aurifeuillean factors|the products above]].<ref>{{cite web|url=https://homes.cerias.purdue.edu/~ssw/cun/notat.txt|title=Explanation of the notation on the Pages|accessdate=23 November 2023}}</ref> References to ''b'',''n''− and ''b'',''n''+ are to the number with all algebraic and aurifeuillean factors removed. For example, Mersenne numbers are of the form 2,''n''− and Fermat numbers are of the form 2,2<sup>''n''</sup>+; the number [[Léon-François-Antoine Aurifeuille|Aurifeuille]] factored in 1871 was the product of 2,58L and 2,58M.
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