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:










MnStatusDetails
1692959Factored
FactorDigitsBitsDate
371759668177795035834492375.02009-06-14 18:36:52
ECM
DigitsB1Curves
2550000280 / 280
30250000106 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Don Moss09DC02B7C4CAAD2E0
Verified (Factored)Marc Honey09DC02B7C4CAAD2E0
Verified (Factored)1998-11-21Morgan Savage09DC02B7C4CAAD2E1537898
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-03Oliver Kruse7444C6D75DCFB3AA1013
Verified2017-11-03kkmrkkblmbrbk7444C6D75DCFB3AA1109777713
History
DateUserTypeResult
2017-11-03kkmrkkblmbrbkC-PRP
M1692959/37175966817779503583449 : 7444C6D75DCFB3AA
PRP: Verified
PRP without proof (not generated)
2017-10-03Oliver KruseC-PRP
M1692959/37175966817779503583449 : 7444C6D75DCFB3AA
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2009-06-14KAMCOBILLF-ECM
Factor: 37175966817779503583449