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Difference between revisions of "M42"

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'''M42''' refers to the 42nd [[Mersenne prime]] <math>2^{25.964.951}{-}1</math>.
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{{InfoboxMersennePrime
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| title=M42
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| rank=42
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| nvalue=25964951
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| top5000id=73550
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| digits=7816230
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| number=122164630061...280577077247
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| pdigits=15632458
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| discovery=2005-02-18
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| discoverer=[[Martin Nowak]]
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| foundwith=[[Lucas-Lehmer test]] / [[Prime95]] on 2.4 GHz Pentium 4 [[Personal computer|PC]]
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| credits=[[George Woltman]] et. al.;[[GIMPS]]
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}}
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'''M42''' refers to the 42nd [[Mersenne prime]] 2<sup>{{Num|25964951}}</sup>-1.
  
2<sup>25.964.951</sup>-1 was discovered to be [[Prime number|prime]] on 2005-02-18 by [[Martin Nowak]], using [[Prime95]] written by [[George Woltman]]. At time of its discovery, it was the largest known prime number. The number is [http://www.mersenneforum.org/txt/42.txt 7,816,230 decimal digits] long. This prime number was the eighth record prime found by the [[GIMPS]] project.
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M42 was discovered to be [[prime]] on 2005-02-18 by [[Martin Nowak]], using [[Prime95]] written by [[George Woltman]]. At time of its discovery, it was the largest known prime number. The number is [http://www.mersenneforum.org/txt/42.txt {{Num|7816230}} decimal digits] long. This prime number was the eighth record prime found by the [[GIMPS]] project.
  
 
==External links==
 
==External links==
 
*[http://www.mersenne.org/various/25964951.htm GIMPS Discovers 42nd Mersenne Prime] (press release)
 
*[http://www.mersenne.org/various/25964951.htm GIMPS Discovers 42nd Mersenne Prime] (press release)
[[Category:Mersenne primes]]
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[[Category:Mersenne prime]]

Latest revision as of 11:26, 18 February 2019

M42
Prime class :
Type : Mersenne prime
Formula : Mn = 2n - 1
Prime data :
Rank : 42
n-value : 25,964,951
Number : 122164630061...280577077247
Digits : 7,816,230
Perfect number : 225,964,950 • (225,964,951-1)
Digits : 15,632,458
Discovery data :
Date of Discovery : 2005-02-18
Discoverer : Martin Nowak
Found with : Lucas-Lehmer test / Prime95 on 2.4 GHz Pentium 4 PC
Credits : George Woltman et. al.
GIMPS

M42 refers to the 42nd Mersenne prime 225,964,951-1.

M42 was discovered to be prime on 2005-02-18 by Martin Nowak, using Prime95 written by George Woltman. At time of its discovery, it was the largest known prime number. The number is 7,816,230 decimal digits long. This prime number was the eighth record prime found by the GIMPS project.

External links