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
2034671Factored
FactorDigitsBitsDate
4069343722.0old
414462482711135.32008-07-15 07:49:35
727457639229582375568392375.92022-12-05 05:07:15
ECM
DigitsB1Curves
2550000280 / 280
30250000158 / 640
Estimated T-Level: 26.2
TF below 2^82 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-06Oliver KruseB3A129EBCE2B2EE52013
Verified (Factored)2017-11-14ATHB3A129EBCE2B2EE52174225213
Verified2022-12-08LordJuliusBFF0CCE3312E1BD03186964053
History
DateUserTypeResult
2022-12-08curtiscCERT
PRP Certification
Proof certified good
2022-12-08LordJuliusC-PRP
M2034671/4069343/41446248271/72745763922958237556839 : BFF0CCE3312E1BD0
PRP proof power = 7
PRP: Verified
Proof certified good
2022-12-05_p95holder_F-ECM
Factor: 72745763922958237556839 / (ECM curve 6, B1=50000, B2=5000000)
2017-11-14ATHC-PRP
M2034671/4069343/41446248271 : B3A129EBCE2B2EE5
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-06Oliver KruseC-PRP
M2034671/4069343/41446248271 : B3A129EBCE2B2EE5
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2008-07-15J FeitsmaF
Factor: 41446248271