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<title>The 20 Largest Known Prime Fermat Divisors</title>
<link>http://primes.utm.edu/top20/page.php?id=8</link>
<description>The Prime Pages keeps a list of the 5000 largest known primes, plus a few each of certain selected archivable forms and classes. These forms are defined in this collection's home page.</description>
<language>en-us</language>
<copyright>Copyright 2006, The Prime Pages</copyright>
<webMaster>caldwell@utm.edu (Dr. Chris K. Caldwell)</webMaster>
<ttl>600</ttl>
<item>
 <title>3*2^2478785+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=66628</link>
 <pubDate>Tue, 14 Oct 2003 09:15:38 -0500</pubDate>
 <description>This prime has 746190 digits, was found by g245 on 14 Oct 2003.  It has rank 1 on the list of Prime Fermat Divisors, and rank 43 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=66628</guid>
</item>
<item>
 <title>7*2^2167800+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=80047</link>
 <pubDate>Sun, 15 Apr 2007 21:00:23 -0500</pubDate>
 <description>This prime has 652574 digits, was found by g279 on 15 Apr 2007.  It has rank 2 on the list of Prime Fermat Divisors, and rank 60 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=80047</guid>
</item>
<item>
 <title>3*2^2145353+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=64011</link>
 <pubDate>Tue, 25 Feb 2003 10:47:15 -0600</pubDate>
 <description>This prime has 645817 digits, was found by g245 on 25 Feb 2003.  It has rank 3 on the list of Prime Fermat Divisors, and rank 61 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=64011</guid>
</item>
<item>
 <title>11*2^960901+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=73518</link>
 <pubDate>Wed, 23 Feb 2005 13:53:21 -0600</pubDate>
 <description>This prime has 289262 digits, was found by g277 on 23 Feb 2005.  It has rank 4 on the list of Prime Fermat Divisors, and rank 351 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=73518</guid>
</item>
<item>
 <title>27*2^672007+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=75472</link>
 <pubDate>Mon, 29 Aug 2005 21:54:48 -0500</pubDate>
 <description>This prime has 202296 digits, was found by g279 on 29 Aug 2005.  It has rank 5 on the list of Prime Fermat Divisors, and rank 1212 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=75472</guid>
</item>
<item>
 <title>659*2^617815+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=87401</link>
 <pubDate>Wed, 01 Apr 2009 19:03:50 -0500</pubDate>
 <description>This prime has 185984 digits, was found by L732 on 01 Apr 2009.  It has rank 6 on the list of Prime Fermat Divisors, and rank 2035 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=87401</guid>
</item>
<item>
 <title>151*2^585044+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=79752</link>
 <pubDate>Sat, 17 Mar 2007 09:48:50 -0500</pubDate>
 <description>This prime has 176118 digits, was found by L446 on 17 Mar 2007.  It has rank 7 on the list of Prime Fermat Divisors, and rank 2416 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=79752</guid>
</item>
<item>
 <title>519*2^567235+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=87008</link>
 <pubDate>Fri, 06 Mar 2009 16:49:04 -0600</pubDate>
 <description>This prime has 170758 digits, was found by L656 on 06 Mar 2009.  It has rank 8 on the list of Prime Fermat Divisors, and rank 2639 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=87008</guid>
</item>
<item>
 <title>243*2^495732+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=80777</link>
 <pubDate>Tue, 29 May 2007 14:02:13 -0500</pubDate>
 <description>This prime has 149233 digits, was found by L165 on 29 May 2007.  It has rank 9 on the list of Prime Fermat Divisors, and rank 4062 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=80777</guid>
</item>
<item>
 <title>651*2^476632+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=86060</link>
 <pubDate>Sat, 27 Dec 2008 20:27:22 -0600</pubDate>
 <description>This prime has 143484 digits, was found by L668 on 27 Dec 2008.  It has rank 10 on the list of Prime Fermat Divisors, and rank 4634 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=86060</guid>
</item>
<item>
 <title>89*2^472099+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=71858</link>
 <pubDate>Tue, 05 Oct 2004 09:59:53 -0500</pubDate>
 <description>This prime has 142118 digits, was found by p114 on 05 Oct 2004.  It has rank 11 on the list of Prime Fermat Divisors, and rank 4841 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=71858</guid>
</item>
<item>
 <title>9*2^461081+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=65770</link>
 <pubDate>Tue, 05 Aug 2003 09:49:56 -0500</pubDate>
 <description>This prime has 138801 digits, was found by g122 on 05 Aug 2003.  It has rank 12 on the list of Prime Fermat Divisors, and rank 5416 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=65770</guid>
</item>
<item>
 <title>1207*2^410108+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=76240</link>
 <pubDate>Tue, 22 Nov 2005 11:20:34 -0600</pubDate>
 <description>This prime has 123458 digits, was found by g380 on 22 Nov 2005.  It has rank 13 on the list of Prime Fermat Divisors, and rank 7261 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=76240</guid>
</item>
<item>
 <title>3*2^382449+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=94</link>
 <pubDate>Fri, 23 Jul 1999 11:08:18 -0500</pubDate>
 <description>This prime has 115130 digits, was found by g132 on 23 Jul 1999.  It has rank 14 on the list of Prime Fermat Divisors, and rank 8150 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=94</guid>
</item>
<item>
 <title>485*2^338297+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=80389</link>
 <pubDate>Tue, 08 May 2007 06:40:22 -0500</pubDate>
 <description>This prime has 101841 digits, was found by L203 on 08 May 2007.  It has rank 15 on the list of Prime Fermat Divisors, and rank 10272 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=80389</guid>
</item>
<item>
 <title>3*2^303093+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=223</link>
 <pubDate>Sat, 31 Jan 1998 23:59:59 -0600</pubDate>
 <description>This prime has 91241 digits, was found by Y on 31 Jan 1998.  It has rank 16 on the list of Prime Fermat Divisors, and rank 14755 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=223</guid>
</item>
<item>
 <title>211*2^287388+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=72743</link>
 <pubDate>Mon, 13 Dec 2004 16:27:43 -0600</pubDate>
 <description>This prime has 86515 digits, was found by p43 on 13 Dec 2004.  It has rank 17 on the list of Prime Fermat Divisors, and rank 15256 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=72743</guid>
</item>
<item>
 <title>51*2^282719+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=59647</link>
 <pubDate>Wed, 13 Nov 2002 03:18:08 -0600</pubDate>
 <description>This prime has 85109 digits, was found by g196 on 13 Nov 2002.  It has rank 18 on the list of Prime Fermat Divisors, and rank 15389 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=59647</guid>
</item>
<item>
 <title>63*2^270094+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=260</link>
 <pubDate>Tue, 05 Feb 2002 08:01:05 -0600</pubDate>
 <description>This prime has 81309 digits, was found by gt on 05 Feb 2002.  It has rank 19 on the list of Prime Fermat Divisors, and rank 15770 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=260</guid>
</item>
<item>
 <title>3*2^213321+1</title>
 <link>http://primes.utm.edu/primes/page.php?id=401</link>
 <pubDate>Sat, 31 May 1997 23:59:59 -0500</pubDate>
 <description>This prime has 64217 digits, was found by Y on 31 May 1997.  It has rank 20 on the list of Prime Fermat Divisors, and rank 18413 on the list of largest known primes.</description>
 <guid>http://primes.utm.edu/primes/page.php?id=401</guid>
</item>
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