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Mersenne Primes

Rank	Prime	Digits	Discovered By	Year
1	2² - 1	1	Ancient Greek mathematicians	500 BCE
2	2³ - 1	1	Ancient Greek mathematicians	500 BCE
3	2⁵ - 1	2	Ancient Greek mathematicians	275 BCE
4	2⁷ - 1	3	Ancient Greek mathematicians	275 BCE
5	2¹³ - 1	4	Anonymous	1456
6	2¹⁷ - 1	6	Pietro Cataldi	1588
7	2¹⁹ - 1	6	Pietro Cataldi	1588
8	2³¹ - 1	10	Leonhard Euler	1772
9	2⁶¹ - 1	19	Ivan Mikheevich Pervushin	1883
10	2⁸⁹ - 1	27	R. E. Powers	1911 Jun
11	2¹⁰⁷ - 1	33	R. E. Powers	1914 Jun 11
12	2¹²⁷ - 1	39	Édouard Lucas	1876 Jan 10
13	2⁵²¹ - 1	157	Raphael M. Robinson	1952 Jan 30
14	2⁶⁰⁷ - 1	183	Raphael M. Robinson	1952 Jan 30
15	2^1,279 - 1	386	Raphael M. Robinson	1952 Jun 25
16	2^2,203 - 1	664	Raphael M. Robinson	1952 Oct 07
17	2^2,281 - 1	687	Raphael M. Robinson	1952 Oct 09
18	2^3,217 - 1	969	Hans Riesel	1957 Sep 08
19	2^4,253 - 1	1,281	Alexander Hurwitz	1961 Nov 03
20	2^4,423 - 1	1,332	Alexander Hurwitz	1961 Nov 03
21	2^9,689 - 1	2,917	Donald B. Gillies	1963 May 11
22	2^9,941 - 1	2,993	Donald B. Gillies	1963 May 16
23	2^11,213 - 1	3,376	Donald B. Gillies	1963 Jun 02
24	2^19,937 - 1	6,002	Bryant Tuckerman	1971 Mar 04
25	2^21,701 - 1	6,533	Landon Curt Noll & Laura Nickel	1978 Oct 30
26	2^23,209 - 1	6,987	Landon Curt Noll	1979 Feb 09
27	2^44,497 - 1	13,395	Harry Lewis Nelson & David Slowinski	1979 Apr 08
28	2^86,243 - 1	25,962	David Slowinski	1982 Sep 25
29	2^110,503 - 1	33,265	Walter Colquitt & Luke Welsh	1988 Jan 28
30	2^132,049 - 1	39,751	David Slowinski	1983 Sep 19
31	2^216,091 - 1	65,050	David Slowinski	1985 Sep 01
32	2^756,839 - 1	227,832	David Slowinski & Paul Gage	1992 Feb 19
33	2^859,433 - 1	258,716	David Slowinski & Paul Gage	1994 Jan 04
34	2^1,257,787 - 1	378,632	David Slowinski & Paul Gage	1996 Sep 03
35	2^1,398,269 - 1	420,921	GIMPS / Joel Armengaud	1996 Nov 13
36	2^2,976,221 - 1	895,832	GIMPS / Gordon Spence	1997 Aug 24
37	2^3,021,377 - 1	909,526	GIMPS / Roland Clarkson	1998 Jan 27
38	2^6,972,593 - 1	2,098,960	GIMPS / Nayan Hajratwala	1999 Jun 01
39	2^13,466,917 - 1	4,053,946	GIMPS / Michael Cameron	2001 Nov 14
40	2^20,996,011 - 1	6,320,430	GIMPS / Michael Shafer	2003 Nov 17
41	2^24,036,583 - 1	7,235,733	GIMPS / Josh Findley	2004 May 15
42	2^25,964,951 - 1	7,816,230	GIMPS / Martin Nowak	2005 Feb 18
43	2^30,402,457 - 1	9,152,052	GIMPS / Curtis Cooper & Steven Boone	2005 Dec 15
44	2^32,582,657 - 1	9,808,358	GIMPS / Curtis Cooper & Steven Boone	2006 Sep 04
45	2^37,156,667 - 1	11,185,272	GIMPS / Hans-Michael Elvenich	2008 Sep 06
46	2^42,643,801 - 1	12,837,064	GIMPS / Odd M. Strindmo	2009 Jun 04
47	2^43,112,609 - 1	12,978,189	GIMPS / Edson Smith	2008 Aug 23
48	2^57,885,161 - 1	17,425,170	GIMPS / Curtis Cooper	2013 Jan 25
49*	2^74,207,281 - 1	22,338,618	GIMPS / Curtis Cooper	2016 Jan 07
50*	2^77,232,917 - 1	23,249,425	GIMPS / Jon Pace	2017 Dec 26
51*	2^82,589,933 - 1	24,862,048	GIMPS / Patrick Laroche	2018 Dec 07
52*	2^136,279,841 - 1	41,024,320	GIMPS / Luke Durant	2024 Oct 12

* May be changed due to new discoveries.