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
1926361Factored
FactorDigitsBitsDate
37299126335291341.8old
10089079600220350494412269.82021-08-15 05:26:14
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-10-05Oliver Kruse9173D27D11BBEA861013
Verified (Factored)2017-11-10Chang Chia-Tche9173D27D11BBEA861113114913
Verified2021-08-15SRJ2877A6F2736A1A2B8694221432853
History
DateUserTypeResult
2021-08-15curtiscCERT
PRP Certification
Proof certified good
2021-08-15SRJ2877C-PRP
M1926361/3729912633529/1008907960022035049441 : A6F2736A1A2B8694
PRP proof power = 7
PRP: Verified
Proof certified good
2021-08-15MarkSF-ECM
Factor: 1008907960022035049441 / (ECM curve 20, B1=50000, B2=5000000, Sigma=1214687141251765)
2017-11-10Chang Chia-TcheC-PRP
M1926361/3729912633529 : 9173D27D11BBEA86
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-05Oliver KruseC-PRP
M1926361/3729912633529 : 9173D27D11BBEA86
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12