Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
505877Factored
FactorDigitsBitsDate
112788158649744918792063.3old
441671025137150825254974172685.22021-05-19 12:57:24
ECM
DigitsB1Curves
2550000280 / 280
30250000218 / 640
Estimated T-Level: 26.7
TF below 2^84 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-27Oliver Kruse0812D13FEEBEAC281013
Verified (Factored)2017-09-28Oliver Kruse0812D13FEEBEAC281013
Verified (Factored)2017-11-09kkmrkkblmbrbk0812D13FEEBEAC28141208113
Verified (Factored)2020-04-19Oliver Kruse5158FBB4F181EE24138108053
Verified2021-05-19mnd95158FBB4F181EE2422809753
Verified2021-05-19gLauss5158FBB4F181EE24224849153
Verified2021-05-21kutens5158FBB4F181EE24229765953
History
DateUserTypeResult
2021-05-21Tercariol, C. A. S.CERT
PRP Certification
Proof certified good
2021-05-21kutensC-PRP
M505877/11278815864974491879/44167102513715082525497417 : 5158FBB4F181EE24
PRP proof power = 6
PRP: Verified
Proof certified good
2021-05-19Ben DeloCERT
PRP Certification
Proof certified good
2021-05-19gLaussC-PRP
M505877/11278815864974491879/44167102513715082525497417 : 5158FBB4F181EE24
PRP proof power = 6
PRP: Verified
Proof certified good
2021-05-19mnd9C-PRP
M505877/11278815864974491879/44167102513715082525497417 : 5158FBB4F181EE24
PRP: Verified
PRP without proof (small exponent)
2021-05-19gLaussF-PP1
Start=2/7, B1=5000000, B2=365000000, Factor: 44167102513715082525497417
2021-05-19gLaussNF-PM1
B1=10000000, B2=810000000
2020-04-19Oliver KruseC-PRP
M505877/11278815864974491879 : 5158FBB4F181EE24
PRP: Verified
PRP without proof (small exponent)
2017-11-09kkmrkkblmbrbkC-PRP
M505877/11278815864974491879 : 0812D13FEEBEAC28
PRP: Verified
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M505877/11278815864974491879 : 0812D13FEEBEAC28
PRP: Verified
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M505877/11278815864974491879 : 0812D13FEEBEAC28
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=1500000, B2=50000000, E=12