The 20 Largest Known Mersenne
http://primes.utm.edu/top20/page.php?id=4
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.en-usCopyright 2006, The Prime Pagescaldwell@utm.edu (Dr. Chris K. Caldwell)6002^77232917-1
http://primes.utm.edu/primes/page.php?id=124104
Wed, 03 Jan 2018 13:10:49 -0600This prime has 23249425 digits, was found by G15 on 03 Jan 2018. It has rank 1 on the list of Mersenne, and rank 1 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=1241042^74207281-1
http://primes.utm.edu/primes/page.php?id=120909
Tue, 19 Jan 2016 07:54:41 -0600This prime has 22338618 digits, was found by G14 on 19 Jan 2016. It has rank 2 on the list of Mersenne, and rank 2 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=1209092^57885161-1
http://primes.utm.edu/primes/page.php?id=111120
Tue, 05 Feb 2013 07:53:05 -0600This prime has 17425170 digits, was found by G13 on 05 Feb 2013. It has rank 3 on the list of Mersenne, and rank 3 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=1111202^43112609-1
http://primes.utm.edu/primes/page.php?id=85527
Sat, 23 Aug 2008 01:33:38 -0500This prime has 12978189 digits, was found by G10 on 23 Aug 2008. It has rank 4 on the list of Mersenne, and rank 4 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=855272^42643801-1
http://primes.utm.edu/primes/page.php?id=88847
Sat, 13 Jun 2009 12:36:33 -0500This prime has 12837064 digits, was found by G12 on 13 Jun 2009. It has rank 5 on the list of Mersenne, and rank 5 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=888472^37156667-1
http://primes.utm.edu/primes/page.php?id=85528
Sat, 06 Sep 2008 13:53:10 -0500This prime has 11185272 digits, was found by G11 on 06 Sep 2008. It has rank 6 on the list of Mersenne, and rank 6 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=855282^32582657-1
http://primes.utm.edu/primes/page.php?id=78470
Mon, 11 Sep 2006 23:42:02 -0500This prime has 9808358 digits, was found by G9 on 11 Sep 2006. It has rank 7 on the list of Mersenne, and rank 7 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=784702^30402457-1
http://primes.utm.edu/primes/page.php?id=76545
Sun, 25 Dec 2005 02:58:53 -0600This prime has 9152052 digits, was found by G9 on 25 Dec 2005. It has rank 8 on the list of Mersenne, and rank 9 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=765452^25964951-1
http://primes.utm.edu/primes/page.php?id=73550
Sat, 26 Feb 2005 20:17:30 -0600This prime has 7816230 digits, was found by G8 on 26 Feb 2005. It has rank 9 on the list of Mersenne, and rank 10 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=735502^24036583-1
http://primes.utm.edu/primes/page.php?id=70545
Mon, 31 May 2004 08:18:24 -0500This prime has 7235733 digits, was found by G7 on 31 May 2004. It has rank 10 on the list of Mersenne, and rank 11 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=705452^20996011-1
http://primes.utm.edu/primes/page.php?id=67522
Tue, 02 Dec 2003 11:26:53 -0600This prime has 6320430 digits, was found by G6 on 02 Dec 2003. It has rank 11 on the list of Mersenne, and rank 12 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=675222^13466917-1
http://primes.utm.edu/primes/page.php?id=1
Fri, 07 Dec 2001 07:06:46 -0600This prime has 4053946 digits, was found by G5 on 07 Dec 2001. It has rank 12 on the list of Mersenne, and rank 18 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=12^6972593-1
http://primes.utm.edu/primes/page.php?id=2
Tue, 01 Jun 1999 23:59:59 -0500This prime has 2098960 digits, was found by G4 on 01 Jun 1999. It has rank 13 on the list of Mersenne, and rank 50 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=22^3021377-1
http://primes.utm.edu/primes/page.php?id=3
Tue, 27 Jan 1998 23:59:59 -0600This prime has 909526 digits, was found by G3 on 27 Jan 1998. It has rank 14 on the list of Mersenne, and rank 432 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=32^2976221-1
http://primes.utm.edu/primes/page.php?id=4
Sun, 24 Aug 1997 23:59:59 -0500This prime has 895932 digits, was found by G2 on 24 Aug 1997. It has rank 15 on the list of Mersenne, and rank 450 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=42^1398269-1
http://primes.utm.edu/primes/page.php?id=5
Wed, 13 Nov 1996 23:59:59 -0600This prime has 420921 digits, was found by G1 on 13 Nov 1996. It has rank 16 on the list of Mersenne, and rank 4067 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=52^1257787-1
http://primes.utm.edu/primes/page.php?id=15
Tue, 03 Sep 1996 23:59:59 -0500This prime has 378632 digits, was found by SG on 03 Sep 1996. It has rank 17 on the list of Mersenne, and rank 9352 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=152^859433-1
http://primes.utm.edu/primes/page.php?id=23
Mon, 10 Jan 1994 23:59:59 -0600This prime has 258716 digits, was found by SG on 10 Jan 1994. It has rank 18 on the list of Mersenne, and rank 16765 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=232^756839-1
http://primes.utm.edu/primes/page.php?id=25
Wed, 19 Feb 1992 23:59:59 -0600This prime has 227832 digits, was found by SG on 19 Feb 1992. It has rank 19 on the list of Mersenne, and rank 19447 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=252^216091-1
http://primes.utm.edu/primes/page.php?id=392
Fri, 06 Sep 1985 23:59:59 -0500This prime has 65050 digits, was found by S on 06 Sep 1985. It has rank 20 on the list of Mersenne, and rank 47081 on the list of largest known primes.http://primes.utm.edu/primes/page.php?id=392