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
7595971
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
824447823711041704812066.22012-07-06 12:30:26
1043298041047962892092166.52020-04-23 10:31:30
LL
StatusDateUserResidueShiftSoftware
Factored1999-09-07Robert Eals7B7861AF5953D6DD0Windows,Prime95,v16,(aka WS1)
Factored2002-03-16Jason Warr7B7861AF5953D6DD727102Windows,Prime95,v21,(aka WX1)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-04-06Oliver KruseA66CC2663E2EEC781512430353
Factored
PRP without proof (not generated)
2019-07-21kkmrkkblmbrbkA66CC2663E2EEC781386291653
Verified
PRP without proof (not generated)
2020-04-24AbsolutXTRA66CC2663E2EEC782450163053
History
DateUserTypeResult
2025-01-02Stef42NF-PM1B1=1062000, B2=1413323730
2022-03-21LordJuliusNFno factor TF: 64-65
2022-03-21LordJuliusNFno factor TF: 65-66
2022-03-21LordJuliusNFno factor TF: 63-64
2020-04-24AbsolutXTRC-PRPM7595971/82444782371104170481/104329804104796289209 : A66CC2663E2EEC78
2020-04-23TJAOIFFactor: 104329804104796289209
2019-07-21kkmrkkblmbrbkC-PRPM7595971/82444782371104170481 : A66CC2663E2EEC78
2018-04-06Oliver KruseC-PRPM7595971/82444782371104170481 : A66CC2663E2EEC78
2012-07-06James HeinrichFFactor: 82444782371104170481
2002-03-16-anonymous-C-LL7B7861AF5953D6DD
2002-02-24-anonymous-NF-PM1B1=30000, B2=112500
1999-09-07-anonymous-C-LL7B7861AF5953D6DD
1999-05-23delongNFno factor TF: 1-63
1998-08-02-anonymous-NFno factor TF: 1-62