Landon Noll looking up Fremont Peak Observatory 0.8m telescope Leonid 2001 meteor squall count at Fremont Peak

Mersenne prime digits

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Known Mersenne Primes
(1000 digit primes) (10,000 digit primes) (100,000 digit primes) (1,000,000 digit primes) (10,000,000 digit primes)
(Largest known prime) (Some useful links)

Mersenne
Prime
Discovery
Date
Digit
Count
Decimal Prime English Name English Name
with -'s
22-1 500BC? 1 American style
European style
American style
European style
American style
European style
23-1 500BC? 1 American style
European style
American style
European style
American style
European style
25-1 275BC? 2 American style
European style
American style
European style
American style
European style
27-1 275BC? 3 American style
European style
American style
European style
American style
European style

Mersenne
Prime
Discovery
Date
Digit
Count
Decimal Prime English Name English Name
with -'s
213-1 1456 4 American style
European style
American style
European style
American style
European style
217-1 1588 6 American style
European style
American style
European style
American style
European style
219-1 1588 6 American style
European style
American style
European style
American style
European style
231-1 1772 10 American style
European style
American style
European style
American style
European style

Mersenne
Prime
Discovery
Date
Digit
Count
Decimal Prime English Name English Name
with -'s
261-1 1883 19 American style
European style
American style
European style
American style
European style
289-1 1911 27 American style
European style
American style
European style
American style
European style
2107-1 1914 33 American style
European style
American style
European style
American style
European style
2127-1 1876 39 American style
European style
American style
European style
American style
European style

Mersenne
Prime
Discovery
Date
Digit
Count
Decimal Prime English Name English Name
with -'s
2521-1 1952-Jan-30 157 American style
European style
American style
European style
American style
European style
2607-1 1952-Jan-30 183 American style
European style
American style
European style
American style
European style
21279-1 1952-Jun-26 386 American style
European style
American style
European style
American style
European style
22203-1 1952-Oct-07 664 American style
European style
American style
European style
American style
European style

Mersenne
Prime
Discovery
Date
Digit
Count
Decimal Prime English Name English Name
with -'s
22281-1 1952-Oct-09 687 American style
European style
American style
European style
American style
European style
23217-1 1957-Sep-08 969 American style
European style
American style
European style
American style
European style
24253-1 1961-Nov-03 1281 American style
European style
American style
European style
American style
European style
24423-1 1961-Nov-03 1332 American style
European style
American style
European style
American style
European style

Mersenne
Prime
Discovery
Date
Digit
Count
Decimal Prime English Name English Name
with  's
29689-1 1963-May-11 2917 American style
European style
American style
European style
American style
European style
29941-1 1963-May-16 2993 American style
European style
American style
European style
American style
European style
211213-1 1963-Jun-02 3376 American style
European style
American style
European style
American style
European style
219937-1 1971-Mar-04 6002 American style
European style
American style
European style
American style
European style

Mersenne
Prime
Discovery
Date
Digit
Count
Decimal Prime English Name English Name
with -'s
221701-1 1978-Oct-30 6533 American style
European style
American style
European style
American style
European style
223209-1 1979-Feb-09 6987 American style
European style
American style
European style
American style
European style
244497-1 1979-Apr-08 13395 American style
European style
American style
European style
American style
European style
286243-1 1982-Sep-25 25962 American style
European style
American style
European style
American style
European style

Mersenne
Prime
Discovery
Date
Digit
Count
Decimal Prime English Name English Name
with -'s
2110503-1 1988-Jan-28 33265 American style
European style
American style
European style
American style
European style
2132049-1 1983-Sep-19 39751 American style
European style
American style
European style
American style
European style
2216091-1 1985-Sep-01 65050 American style
European style
American style
European style
American style
European style
2756839-1 1992-Apr-01 227832 American style
European style
American style
European style
American style
European style

Mersenne
Prime
Discovery
Date
Digit
Count
Decimal Prime English Name English Name
with -'s
2859433-1 1994-Feb-01 258716 American style
European style
American style
European style
American style
European style
21257787-1 1996-Sep-03 378632 American style
European style
American style
European style
American style
European style
21398269-1 1996-Nov-23 420921 American style
European style
American style
European style
American style
European style
22976221-1 1997-Nov-01 895932 American style
European style
American style
European style
American style
European style

Mersenne
Prime
Discovery
Date
Digit
Count
Decimal Prime English Name English Name
with -'s
23021377-1 1998-Aug-24 909526 American style
European style
American style
European style
American style
European style
26972593-1 1999-Jun-01 2098960 American style
European style
American style
European style
American style
European style
213466917-1 2001-Nov-14 4053946 American style
European style
American style
European style
American style
European style
220996011-1 2003-Nov-17 6320430 American style
European style
American style
European style
American style
European style

Mersenne
Prime
Discovery
Date
Digit
Count
Decimal Prime English Name English Name
with -'s
224036583-1 2004-May-28 7235733 American style
European style
American style
European style
American style
European style
225964951-1 2005-Feb-26 7816230 American style
European style
American style
European style
American style
European style
230402457-1 2005-Dec-15 9152052 American style
European style
American style
European style
American style
European style
232582657-1 2006-Sep-04 9808358 American style
European style
American style
European style
American style
European style

Mersenne
Prime
Discovery
Date
Digit
Count
Decimal Prime English Name English Name
with -'s
237156667-1 2008-Sep-06 11185272 American style
European style
American style
European style
American style
European style
242643801-1 2009-Apr-12 12837064 American style
European style
American style
European style
American style
European style
243112609-1 2008-Aug-23 12978189 American style
European style
American style
European style
American style
European style
257885161-1 2013-Jan-25 17425170 American style
European style
American style
European style
American style
European style

NOTE: As of:
$Date: 2014/02/10 02:38:20 $
the last Mersenne prime shown above was the largest known prime.


Known Mersenne Primes
(1000 digit primes) (10,000 digit primes) (100,000 digit primes) (1,000,000 digit primes) (10,000,000 digit primes)
(Largest known prime) (Some useful links) (top)

Some useful links

Large prime numbers

Definitions and theory

Searching for Mersenne primes

EFF Cooperative Computing Awards

Source code

Other prime links




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$Revision: 7.10 $ $Date: 2014/02/10 02:38:20 $