Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
182261Factored
FactorDigitsBitsDate
20048711824.3old
1505983431368471547.12008-08-26 20:12:52
138071437770947076890094492683.52015-06-19 10:46:05
2403252352698628855144020726817970335114.22019-11-18 17:47:24
ECM
DigitsB1Curves
2550000280 / 280
30250000634 / 640
Estimated T-Level: 30.0
TF below 2^95 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse07817D2633F008A93013
Verified (Factored)2017-10-12kkmrkkblmbrbk07817D2633F008A937073713
Verified2019-11-19oodaira052EAB562BA215CB417878353
Verified2019-11-26nokno052EAB562BA215CB411835553
Verified2023-08-24USAFSS052EAB562BA215CB43863653
History
DateUserTypeResult
2023-08-24Chun sung sooCERT
PRP Certification
Proof certified good
2023-08-24USAFSSC-PRP
M182261/20048711/150598343136847/13807143777094707689009449/24032523526986288551440207268179703 : 052EAB562BA215CB
PRP proof power = 5
PRP: Verified
Proof certified good
2021-04-22nordiNF-PP1
Start=2/7, B1=10000000, B2=1000000000
2019-11-26noknoC-PRP
M182261/20048711/150598343136847/13807143777094707689009449/24032523526986288551440207268179703 : 052EAB562BA215CB
PRP: Verified
PRP without proof (small exponent)
2019-11-19oodairaC-PRP
M182261/20048711/150598343136847/13807143777094707689009449/24032523526986288551440207268179703 : 052EAB562BA215CB
PRP: Verified
PRP without proof (small exponent)
2019-11-18TJAOIF-ECM
Factor: 24032523526986288551440207268179703 / (ECM curve 2, B1=250000, B2=25000000)
2017-10-12kkmrkkblmbrbkC-PRP
M182261/20048711/150598343136847/13807143777094707689009449 : 07817D2633F008A9
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M182261/known_factors : 07817D2633F008A9
PRP without proof (not generated)
2017-06-04kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2015-06-19TJAOIF-ECM
Factor: 13807143777094707689009449 / (ECM curve 72, B1=50000, B2=5000000)
2008-08-26-Anonymous-F
Factor: 150598343136847