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:





MnDetails
1017607
Composite: proven not-prime with both PRP and Lucas-Lehmer tests
No factors below 271
TF target 260
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2026-01-31-anonymous-ECM2026-01-312026-02-27
P-1
B1 = 32000000
B2 = 756203658210
ECM
DigitsB1Curves
2550000280 / 280
30250000173 / 640
Estimated T-Level: 26.4
TF below 2^83 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
VerifiedKen Kriesel4B34D99988FA57EB0Windows,Prime95,v13,(aka WP1)
VerifiedDavid Slowinski17EB0Cray,Slowinski,(aka D5)
Verified2002-01-15S574834B34D99988FA57EB817478Linux 32-bit,Prime95,v21,(aka WX2)
Verified2016-06-01MadPoo 🙂4B34D99988FA57EB169811Windows 64-bit,Prime95,v26,(aka We4)
PRP
StatusProofDateUserResidueShiftTypeBase
Verified
Certified Good
Power=8
2020-10-31Ethan O'Connor22744F0CE7D0A311013
Verified
Certified Good
Power=6
2025-09-01Kriesel22744F0CE7D0A311013
History
DateUserTypeResult
2025-09-19JossNF-PP1Start=2/7, B1=1000000
2025-09-01Aaron J. SoleyCERT
Proof certified good
2025-09-01KrieselC-PRP22744F0CE7D0A311
Proof Certified Good

Proof Power: 6

2022-06-07axnNF-PM1B1=32000000, B2=756203658210
2022-01-31NumberwangNF-PM1B1=106000, B2=2525853330
2020-10-31Ben DeloCERT
Proof certified good
2020-10-31Ethan O'ConnorC-PRP22744F0CE7D0A311
Proof Certified Good

Proof Power: 8

2018-11-19JossNF-PM1B1=5520000, B2=204539007
2018-10-21JossNF-PM1B1=5520000, B2=203521400, E=12
2018-03-15JossNF-PM1B1=5520000, B2=128840800, E=12
2018-02-16JossNF-PM1B1=5520000, B2=64420400, E=12
2018-02-16JossNF-PM1B1=5520000, B2=32210200, E=12
2016-10-13JossNF-PM1B1=5500000, B2=32210200, E=6
2016-07-17JossNF-PM1B1=5500000, B2=22000000, E=12
2016-06-18JossNF-PM1B1=5500000, B2=11000000, E=6
2016-06-01MadPoo 🙂C-LL4B34D99988FA57EB
2016-05-15NumberwangNF-PM1B1=10000, B2=250000
2016-02-23Mark RoseNFno factor TF: 58-60
2015-12-04JossNF-PM1B1=5500000
2014-04-01Never Odd Or EvenNFno factor TF: 70-71
2013-07-02Never Odd Or EvenNFno factor TF: 69-70
2013-07-02Never Odd Or EvenNFno factor TF: 68-69
2013-03-29Never Odd Or EvenNFno factor TF: 67-68
2013-03-29Never Odd Or EvenNFno factor TF: 66-67
2013-03-29Never Odd Or EvenNFno factor TF: 65-66
2013-03-29Never Odd Or EvenNFno factor TF: 64-65
2010-11-14Michael CNFno factor TF: 63-64
2010-11-14Michael CNFno factor TF: 62-63
2010-11-14Michael CNFno factor TF: 61-62
2010-03-14Rob_DeeNF-PM1B1=5000000, B2=5100000
2010-03-13Rob_DeeNF-PM1B1=4800000, B2=4900000
2010-03-12Rob_DeeNF-PM1B1=4600000, B2=4700000
2010-03-11Rob_DeeNF-PM1B1=4400000, B2=4500000
2010-03-10Rob_DeeNF-PM1B1=4200000, B2=4300000
2010-03-09Rob_DeeNF-PM1B1=4000000, B2=4100000
2010-03-08Rob_DeeNF-PM1B1=3800000, B2=3900000
2010-03-07Rob_DeeNF-PM1B1=3600000, B2=3700000
2010-03-06Rob_DeeNF-PM1B1=3400000, B2=3500000
2010-03-05Rob_DeeNF-PM1B1=3200000, B2=3300000
2010-03-04Rob_DeeNF-PM1B1=3000000, B2=3100000
2010-03-03Rob_DeeNF-PM1B1=2800000, B2=2900000
2010-03-02Rob_DeeNF-PM1B1=2600000, B2=2700000
2010-03-01Rob_DeeNF-PM1B1=2400000, B2=2500000
2010-02-28Rob_DeeNF-PM1B1=2200000, B2=2300000
2010-02-27Rob_DeeNF-PM1B1=2000000, B2=2100000
2010-02-26Rob_DeeNF-PM1B1=1800000, B2=1900000
2010-02-25Rob_DeeNF-PM1B1=1600000, B2=1700000
2010-02-24Rob_DeeNF-PM1B1=1400000, B2=1500000
2010-02-23Rob_DeeNF-PM1B1=1200000, B2=1300000
2010-02-22Rob_DeeNF-PM1B1=1000000, B2=1100000
2010-02-21Rob_DeeNF-PM1B1=800000, B2=900000
2010-02-20Rob_DeeNF-PM1B1=600000, B2=700000
2010-02-19Rob_DeeNF-PM1B1=400000, B2=500000
2010-02-18Rob_DeeNF-PM1B1=200000
2009-02-15Sturle SundeNFno factor TF: 60-61
2003-12-13-anonymous-NF-PM1B1=15000, B2=198750
2003-11-16-anonymous-NF-PM1B1=2048, B2=204800
2003-11-08-anonymous-NF-PM1B1=15000, B2=198750
2003-01-25-anonymous-NFno factor TF: 1-58
2002-10-07JossNF-PM1B1=27000
2002-09-29JossNF-PM1B1=25000
2002-09-22JossNF-PM1B1=15000
2002-01-15-anonymous-C-LL4B34D99988FA57EB
2001-10-20-anonymous-NFno factor TF: 1-57
2001-09-30-anonymous-NF-PM1B1=10000, B2=127500