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
1970923Factored
FactorDigitsBitsDate
130080919927.0old
3707390203156731548.42014-04-03 10:43:49
3114258085955930436732168.12021-05-08 02:12:12
ECM
DigitsB1Curves
2550000280 / 280
3025000058 / 640
Estimated T-Level: 25.5
TF below 2^80 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-05Oliver Kruse2539AF7AB81F397A2013
Verified (Factored)2017-11-12kkmrkkblmbrbk2539AF7AB81F397A264554913
Verified2021-05-09XZTFD588A5DD4AEB5923160767453
History
DateUserTypeResult
2023-12-17USAFSSNF-PM1
B1=480000, B2=460965960
2022-08-12USAFSSNF-PM1
B1=132000, B2=134381520
2021-05-09Ben DeloCERT
PRP Certification
Proof certified good
2021-05-09XZTC-PRP
M1970923/130080919/370739020315673/311425808595593043673 : FD588A5DD4AEB592
PRP proof power = 7
PRP: Verified
Proof certified good
2021-05-08_p95holder_F-ECM
Factor: 311425808595593043673 / (ECM curve 3, B1=50000, B2=5000000)
2017-11-12kkmrkkblmbrbkC-PRP
M1970923/130080919/370739020315673 : 2539AF7AB81F397A
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-05Oliver KruseC-PRP
M1970923/130080919/370739020315673 : 2539AF7AB81F397A
PRP: Verified (Factored)
PRP without proof (not generated)
2014-04-03TJAOIF
Factor: 370739020315673