Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
700079Factored
FactorDigitsBitsDate
1400159720.4old
355646105826145881233008949435931101.52020-08-25 03:36:23
ECM
DigitsB1Curves
2550000280 / 280
30250000132 / 640
Estimated T-Level: 26.0
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-27Oliver Kruse658BE5BE81C81A4C1013
Verified (Factored)2017-09-28Oliver Kruse658BE5BE81C81A4C1013
Verified (Factored)2017-11-08kkmrkkblmbrbk658BE5BE81C81A4C155533313
Verified (Factored)2020-04-20Oliver KruseF02159F54C15FA3518913053
Verified2020-08-25M MillerF02159F54C15FA35261940753
Verified2020-08-25ANONYMOUSF02159F54C15FA35254227053
History
DateUserTypeResult
2022-01-11Seth_TrNF-PM1
B1=1000000000, B2=1005795841050
2020-08-25ANONYMOUSC-PRP
M700079/1400159/3556461058261458812330089494359 : F02159F54C15FA35
PRP: Verified
PRP without proof (small exponent)
2020-08-25Ben DeloCERT
PRP Certification
Proof certified good
2020-08-25M MillerC-PRP
M700079/1400159/3556461058261458812330089494359 : F02159F54C15FA35
PRP proof power = 6
PRP: Verified
Proof certified good
2020-08-25nordiF-ECM
Factor: 3556461058261458812330089494359 / (ECM curve 32, B1=250000, B2=25000000, Sigma=1274363772300438)
2020-04-20Oliver KruseC-PRP
M700079/1400159 : F02159F54C15FA35
PRP: Verified
PRP without proof (small exponent)
2017-11-08kkmrkkblmbrbkC-PRP
M700079/1400159 : 658BE5BE81C81A4C
PRP: Verified
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M700079/1400159 : 658BE5BE81C81A4C
PRP: Verified
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M700079/1400159 : 658BE5BE81C81A4C
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12