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
1927313Factored
FactorDigitsBitsDate
11563879823.5old
412591042260104622999292375.12021-11-25 18:24:35
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 Kruse5DA7B17861D516971013
Verified (Factored)2017-11-10ATH5DA7B17861D51697177612013
Verified2021-11-25SRJ28778AA00EC677E5DF322135494753
History
DateUserTypeResult
2021-11-25curtiscCERT
PRP Certification
Proof certified good
2021-11-25SRJ2877C-PRP
M1927313/11563879/41259104226010462299929 : 8AA00EC677E5DF32
PRP proof power = 7
PRP: Verified
Proof certified good
2021-11-25_p95holder_F-ECM
Factor: 41259104226010462299929 / (ECM curve 7, B1=50000, B2=5000000)
2017-11-10ATHC-PRP
M1927313/11563879 : 5DA7B17861D51697
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-05Oliver KruseC-PRP
M1927313/11563879 : 5DA7B17861D51697
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12