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

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MnDetails
6741373
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
553757088627730766776778872685.52011-05-12 06:29:26
LL
StatusDateUserResidueShiftSoftware
Factored1999-05-30Blaine Deal3E2D3FA0B1049ACD2624980Windows,Prime95,v18,NT service,(aka WU5)
Factored2001-06-03chris clark3E2D3FA0B1049ACD5041129Linux 32-bit,Prime95,v20,(aka WW2)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2018-01-07Oliver KruseA999A3BC30768EAE1577003353
Verified
PRP without proof (not generated)
2018-12-07storm5510A999A3BC30768EAE1165178853
History
DateUserTypeResult
2025-01-04Stef42NF-PM1B1=1000000, B2=2025454200
2018-12-07storm5510C-PRPM6741373/55375708862773076677677887 : A999A3BC30768EAE
2018-01-07Oliver KruseC-PRPM6741373/55375708862773076677677887 : A999A3BC30768EAE
2011-05-12Carsten KossendeyF-PM1Factor: 55375708862773076677677887
2004-10-03David CampeauNFno factor TF: 1-63
2001-06-03-anonymous-C-LL3E2D3FA0B1049ACD
2001-05-06-anonymous-NF-PM1B1=30000, B2=30000
1999-05-30-anonymous-C-LL3E2D3FA0B1049ACD
1999-02-07-anonymous-C-LLE10B39C8CCBEDA__
1998-06-28-anonymous-NFno factor TF: 1-62