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
1136089Composite: proven not-prime with both PRP and Lucas-Lehmer tests
TF
No factors below 271
TF target 260
TF below 2^81 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 150000000
B2 = 500701601400
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8 ⓘ
LL
StatusDateUserResidueShift
VerifiedDavid Slowinski13960
VerifiedJoel Smith28A238AFFCD953960
Verified2002-06-23S5748328A238AFFCD95396564068
Verified2016-06-01MadPoo28A238AFFCD95396780687
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-11-04Ethan O'ConnorE1F1CE2BE6CE869F2986513
Verified2025-09-01KrieselE1F1CE2BE6CE869F013
History
DateUserTypeResult
2025-09-02ANONYMOUSCERT
PRP Certification
CERT proof power = 6
Proof certified good
2025-09-01KrieselC-PRP
E1F1CE2BE6CE869F
PRP proof power = 6
PRP: Verified
Proof certified good
2025-01-23timc995NF-PM1
B1=150000000, B2=500701601400
2023-06-22mikrNF-PM1
B1=15000000, B2=48517673820
2022-11-13JossNF-PM1
B1=1136089, B2=12482419950
2022-10-19Wentao HuangNF-PM1
B1=113000, B2=1638780780
2020-11-05carldsCERT
PRP Certification
CERT proof power = 6
Proof certified good
2020-11-04Ethan O'ConnorC-PRP
E1F1CE2BE6CE869F
PRP proof power = 6
PRP: Verified
Proof certified good
2016-07-19ramgeisNF
no factor from 2^70 to 2^71
2016-07-19ramgeisNF
no factor from 2^69 to 2^70
2016-07-19ramgeisNF
no factor from 2^68 to 2^69
2016-07-19ramgeisNF
no factor from 2^67 to 2^68
2016-07-19ramgeisNF
no factor from 2^66 to 2^67
2016-06-01MadPooC-LL
28A238AFFCD95396
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2015-07-06omylistNF
no factor from 2^65 to 2^66
2015-03-24mikrNF-PM1
B1=5000000, B2=200000000, E=12
2015-01-15lycornNF
no factor from 2^64 to 2^65
2014-12-26Matthias WurtingerNF
no factor from 2^63 to 2^64
2012-10-18dbaughNF
no factor from 2^62 to 2^63
2012-08-16AxelssonNF
no factor from 2^61 to 2^62
2012-01-29markrNF-PM1
B1=500000, B2=10000000, E=12
2009-02-15Sturle SundeNF
no factor from 2^60 to 2^61