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

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Exponent Range:










MnStatusDetails
225697Factored
FactorDigitsBitsDate
10506010230851586566119115032889.82011-02-12 20:50:01
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000194 / 1566
Estimated T-Level: 30.6
TF below 2^97 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Unknown0CBE0
Verified (Factored)George JohnstonCACC8368B56D8CBE0
Verified (Factored)Brian J. BeesleyCACC8368B56D8CBE0
Verified (Factored)Eivind TrielCACC8368B56D8CBE171186
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver Kruse4C8746E0FEEC17F21013
Verified2017-10-12kkmrkkblmbrbk4C8746E0FEEC17F2115120013
Verified2020-04-17Oliver Kruse1DE779C76E336DE2113514453
Verified2024-02-03Wentao Huang1DE779C76E336DE217242953
History
DateUserTypeResult
2024-02-03slaurCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M225697/1050601023085158656611911503 : 1DE779C76E336DE2
PRP proof power = 5
PRP: Verified
Proof certified good
2022-03-15Oliver KruseNF-PM1
B1=30000000, B2=10070832992220
2022-03-07LordJuliusNF
no factor from 2^57 to 2^58
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2021-06-14Oliver KruseNF-PM1
B1=30000000, B2=3000000000
2020-04-17Oliver KruseC-PRP
M225697/1050601023085158656611911503 : 1DE779C76E336DE2
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M225697/1050601023085158656611911503 : 4C8746E0FEEC17F2
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M225697/1050601023085158656611911503 : 4C8746E0FEEC17F2
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M225697/1050601023085158656611911503 : 4C8746E0FEEC17F2
PRP without proof (not generated)
2011-02-12Dmitry B. KhachaturovF-ECM
Factor: 1050601023085158656611911503
2009-01-27Sturle SundeNF
no factor from 2^59 to 2^60
2009-01-01Sturle SundeNF
no factor from 2^58 to 2^59