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
2033687Factored
FactorDigitsBitsDate
20542710565201031650.9old
513877150075766005438332375.42022-01-01 00:41:04
ECM
DigitsB1Curves
2550000280 / 280
30250000112 / 640
Estimated T-Level: 25.9 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-10-06Oliver KruseC65E9230A878792C1013
Verified (Factored)2017-11-14ATHC65E9230A878792C1157876713
Verified2022-01-02_p95holder_62DEF2B02073A5F62126040953
Verified2022-01-06Joe S.62DEF2B02073A5F6262569153
History
DateUserTypeResult
2022-01-06curtiscCERT
PRP Certification
Proof certified good
2022-01-06Joe S.C-PRP
M2033687/2054271056520103/51387715007576600543833 : 62DEF2B02073A5F6
PRP proof power = 7
PRP: Verified
Proof certified good
2022-01-02_p95holder_C-PRP
M2033687/2054271056520103/51387715007576600543833 : 62DEF2B02073A5F6
PRP: Verified
PRP without proof (not generated)
2022-01-01_p95holder_F-ECM
Factor: 51387715007576600543833 / (ECM curve 2, B1=50000, B2=5000000)
2017-11-14ATHC-PRP
M2033687/2054271056520103 : C65E9230A878792C
PRP: Verified
PRP without proof (not generated)
2017-10-06Oliver KruseC-PRP
M2033687/2054271056520103 : C65E9230A878792C
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12