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
127579Factored
FactorDigitsBitsDate
324590641559757440746312374.82008-12-23 17:44:49
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000211 / 1566
Estimated T-Level: 30.7 ⓘ
TF below 2^97 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Unknown05400
Verified (Factored)Reuven Singer19C5BEFECA2205400
Verified (Factored)Brian J. Beesley19C5BEFECA2205400
Verified (Factored)Eivind Triel19C5BEFECA22054085731
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-22Oliver Kruse425C9DDC906A8DA91013
Verified2017-10-13kkmrkkblmbrbk425C9DDC906A8DA9112658713
Verified2020-04-17Oliver KruseBCA5CC7A0C37F709112019253
Verified2024-02-03Wentao HuangBCA5CC7A0C37F70916429653
History
DateUserTypeResult
2024-02-03Naegi MakotoCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M127579/32459064155975744074631 : BCA5CC7A0C37F709
PRP proof power = 5
PRP: Verified
Proof certified good
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2020-04-17Oliver KruseC-PRP
M127579/32459064155975744074631 : BCA5CC7A0C37F709
PRP: Verified
PRP without proof (small exponent)
2017-10-13kkmrkkblmbrbkC-PRP
M127579/32459064155975744074631 : 425C9DDC906A8DA9
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M127579/32459064155975744074631 : 425C9DDC906A8DA9
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M127579/32459064155975744074631 : 425C9DDC906A8DA9
PRP without proof (not generated)
2017-03-26kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2008-12-23axnF-ECM
Factor: 32459064155975744074631