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
26146763
Composite: proven not-prime with both PRP and Lucas-Lehmer tests
No factors below 275
TF target 270
P-1
B1 = 310000
B2 = 7672500
LL
StatusDateUserResidueShiftSoftware
Bad2004-11-22Keith W. Campbell9C761B1D25A6F5C019394548Windows,Prime95,v23,(aka WZ1)
Bad2005-03-06Kieren Ladner19FA037A5D6BEC7419368390Windows,Prime95,v23,(aka WZ1)
Bad2007-01-16C. Cooper / S. Boone5124B246A72A327917907486Windows,Prime95,v24 final,NT service,(aka Wc5)
Bad2007-02-20C. Cooper / S. Boone294ECBE0898BBF1C17907486Windows,Prime95,v24 final,NT service,(aka Wc5)
Verified2008-12-25Sturle Sunde89E2E5C26868EE4221276384Linux 64-bit,Prime95,v25.7,build 3
Verified2009-01-31riccardo uberti89E2E5C26868EE4215947711Windows,Prime95,v24 final,(aka Wc1)
PRP
StatusProofDateUserResidueShiftTypeBase
Verified
Certified Good
Power=8
2024-12-26kkmrkkblmbrbk9BC6E55EDEB40EE82350193013
History
DateUserTypeResult
2024-12-26CatalystCERT
Proof certified good
2024-12-26kkmrkkblmbrbkC-PRP
Proof Certified Good

Proof Power: 8

2021-01-07YxinityNFno factor TF: 74-75
2015-04-05BloodIceNFno factor TF: 73-74
2015-03-22VictordeHollanderNFno factor TF: 72-73
2015-03-19VictordeHollanderNFno factor TF: 71-72
2015-03-19VictordeHollanderNFno factor TF: 70-71
2015-03-19VictordeHollanderNFno factor TF: 69-70
2015-03-19VictordeHollanderNFno factor TF: 68-69
2015-03-19VictordeHollanderNFno factor TF: 67-68
2009-01-31riccardo ubertiC-LL
89E2E5C26868EE42
2008-12-25Sturle SundeC-LL
89E2E5C26868EE42
2007-02-20curtiscC-LL
294ECBE0898BBF1C
2007-01-16curtiscC-LL
5124B246A72A3279
2005-03-06-anonymous-C-LL
19FA037A5D6BEC74
2004-11-30Keith W. CampbellC-LL
9C761B1D25A6F5C0
2004-11-22Keith W. CampbellC-LL
9C761B1D25A6F5C0
2004-10-18Keith W. CampbellNF-PM1B1=310000, B2=7672500
2004-07-26-anonymous-NFno factor TF: 1-67