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  <title>e-sygoing.link — Prime Numbers</title>
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  <description>Latest links in the Prime Numbers category</description>
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    <title>Primality</title>
    <link>https://e-sygoing.link/link/5280513-primality</link>
    <description>Introductory text on the theory of prime numbers and number fields. Contains proofs of some important theorems including the fundamental theorem of arithmetic.</description>
    <pubDate>Tue, 05 May 2026 18:04:17 -0400</pubDate>
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    <title>Status of Search for Multifactorial Primes</title>
    <link>https://e-sygoing.link/link/5280514-status-of-search-for-multifactorial-primes</link>
    <description>An organized search for primes of the form (n)(n-k)(n-2k)...+/-1. Includes table of numbers searched and primes found.</description>
    <pubDate>Mon, 09 Mar 2026 07:50:49 -0400</pubDate>
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    <title>The Prime Pages</title>
    <link>https://e-sygoing.link/link/5280516-the-prime-pages</link>
    <description>Prime number research, records and resources. Includes largest known primes, finding and proving primes, glossary, curios, links.</description>
    <pubDate>Mon, 26 Jan 2026 06:03:56 -0500</pubDate>
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    <title>Deficient Factorials</title>
    <link>https://e-sygoing.link/link/5280496-deficient-factorials</link>
    <description>A summary of searches for primes of the form n!/k+-1 (k above 1), n!/k!+-1 (k above 3) and n!/n#+-1.</description>
    <pubDate>Sat, 24 Jan 2026 21:58:27 -0500</pubDate>
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    <title>The Time Traveler</title>
    <link>https://e-sygoing.link/link/5280488-the-time-traveler</link>
    <description>A group with new propositions in various areas of number theory.</description>
    <pubDate>Sat, 17 Jan 2026 09:07:54 -0500</pubDate>
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    <title>MathWorld: Prime Numbers</title>
    <link>https://e-sygoing.link/link/5280517-mathworld-prime-numbers</link>
    <description>Index to hundreds of prime-related articles in Eric Weisstein&#039;s MathWorld.</description>
    <pubDate>Sat, 10 Jan 2026 01:08:33 -0500</pubDate>
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    <title>On-Line Encyclopedia of Integer Sequences (OEIS): Primes</title>
    <link>https://e-sygoing.link/link/5280519-on-line-encyclopedia-of-integer-sequences-oeis-primes</link>
    <description>Index to information about many integer sequences involving primes. Site includes numerous other prime-related sequences.</description>
    <pubDate>Sat, 20 Dec 2025 20:07:11 -0500</pubDate>
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    <title>World of Numbers: World of Palindromic Primes</title>
    <link>https://e-sygoing.link/link/5280494-world-of-numbers-world-of-palindromic-primes</link>
    <description>Records, statistics, curios and puzzles about primes reading the same backwards. Compiled by Patrick De Geest.</description>
    <pubDate>Sun, 02 Nov 2025 17:57:03 -0500</pubDate>
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    <title>Some Prime Numbers</title>
    <link>https://e-sygoing.link/link/5280486-some-prime-numbers</link>
    <description>Sieves and factoring for small numbers. Download primes below 8 billion.</description>
    <pubDate>Mon, 07 Apr 2025 01:02:22 -0400</pubDate>
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    <title>Ask Dr. Math FAQ: Prime Numbers</title>
    <link>https://e-sygoing.link/link/5280493-ask-dr-math-faq-prime-numbers</link>
    <description>Archived questions and answers at different levels.</description>
    <pubDate>Thu, 27 Feb 2025 11:07:19 -0500</pubDate>
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