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Cunningham chain
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== External links == * [http://primes.utm.edu/glossary/page.php?sort=CunninghamChain The Prime Glossary: Cunningham chain] * [https://primes.zone/ Primecoin discoveries (primes.zone): online database of primecoin findings with list of records and visualization] * [https://web.archive.org/web/20030716201258/http://primes.utm.edu/links/theory/special_forms/Cunningham_chains/ PrimeLinks++: Cunningham chain] * {{OEIS el|1=A005602|2=Smallest prime beginning a complete Cunningham chain of length n (of the first kind)}} -- the first term of the lowest complete Cunningham chains of the first kind of length ''n'', for 1 β€ ''n'' β€ 14 * {{OEIS el|1=A005603|2=Chains of length n of nearly doubled primes}} -- the first term of the lowest complete Cunningham chains of the second kind with length ''n'', for 1 β€ ''n'' β€ 15 {{Prime number classes}} [[Category:Prime numbers]]
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