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
47540719
Composite: proven not-prime with both PRP and Lucas-Lehmer tests
No factors below 277
TF target 272
P-1
B1 = 1300000
B2 = 130000000
LL
StatusDateUserResidueShiftSoftware
Bad2010-02-26MARK_DANA_ROCKMANA57035D70BF0CF4342138049Windows 64-bit,Prime95,v25.9,build 4
Bad2010-12-10Jack The Ripper3C435898DAABD45244405015Windows,Prime95,v25.11,build 2
Bad2011-03-21Jack The Ripper2A3ED692B1D0F22127968800Windows,Prime95,v25.11,build 2
Bad2011-04-13ferdy06526F55432134BB14853923Windows 64-bit,Prime95,v26.5,build 5
Verified2015-03-13MadPoo 🙂0714C360EA7DD84F20224609Windows 64-bit,Prime95,v26,(aka We4)
Verified2015-03-16Sergey Nosov0714C360EA7DD84F45402220Linux 64-bit,Prime95,v28.5,build 2
PRP
StatusProofDateUserResidueShiftTypeBase
Verified
Certified Good
Power=9
2024-12-29kkmrkkblmbrbk9F41DB9B905E29C03693745213
History
DateUserTypeResult
2024-12-29qprimeCERT
Proof certified good
2024-12-29kkmrkkblmbrbkC-PRP
Proof Certified Good

Proof Power: 9

2015-03-18VictordeHollanderNFno factor TF: 76-77
2015-03-18VictordeHollanderNFno factor TF: 75-76
2015-03-16Sergey NosovC-LL
0714C360EA7DD84F
2015-03-16BloodIceNF-PM1B1=1300000, B2=130000000, E=12
2015-03-14VictordeHollanderNFno factor TF: 74-75
2015-03-14VictordeHollanderNFno factor TF: 73-74
2015-03-14VictordeHollanderNFno factor TF: 72-73
2015-03-13NRNFno factor TF: 71-72
2015-03-13NRNFno factor TF: 70-71
2015-03-13NRNFno factor TF: 69-70
2015-03-13MadPoo 🙂C-LL
0714C360EA7DD84F
2011-04-13ferdyC-LL
06526F55432134BB
2011-03-21Jack The RipperC-LL
2A3ED692B1D0F221
2010-12-10Jack The RipperC-LL
3C435898DAABD452
2010-02-26MARK_DANA_ROCKMANC-LL
A57035D70BF0CF43
2009-11-20-anonymous-NF-PM1B1=745000
2008-03-29sannerud.comNFno factor TF: 1-69