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
559777Factored
FactorDigitsBitsDate
92922983826.5old
994163953929.92008-07-21 09:21:40
1169758693064050491856.72015-04-23 11:34:01
8739499060962060997514565174083960116738126.02021-08-13 00:40:56
ECM
DigitsB1Curves
2550000280 / 280
30250000210 / 640
Estimated T-Level: 26.6 ⓘ
TF below 2^83 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-27Oliver Kruse3E061498EB91D28D3013
Verified (Factored)2017-11-04kkmrkkblmbrbk3E061498EB91D28D329320413
Verified (Factored)2020-04-19Oliver Kruse20B479E85FFFD603316014553
Verified2021-08-13ViliamF20B479E85FFFD603428094953
P-1 factors
DateFactorB1B2
2021-08-1387394990609620609975145651740839601167150000001815000000
History
DateUserTypeResult
2021-08-13petrymCERT
PRP Certification
Proof certified good
2021-08-13ViliamFC-PRP
M559777/92922983/994163953/116975869306405049/87394990609620609975145651740839601167 : 20B479E85FFFD603
PRP proof power = 6
PRP: Verified
Proof certified good
2021-08-13ViliamFF-PM1
Factor: 87394990609620609975145651740839601167 / (P-1, B1=15000000, B2=1815000000)
2020-04-19Oliver KruseC-PRP
M559777/92922983/994163953/116975869306405049 : 20B479E85FFFD603
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-11-04kkmrkkblmbrbkC-PRP
M559777/92922983/994163953/116975869306405049 : 3E061498EB91D28D
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-27Oliver KruseC-PRP
M559777/92922983/994163953/116975869306405049 : 3E061498EB91D28D
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=1500000, B2=50000000, E=12
2015-04-23TJAOIF
Factor: 116975869306405049 / TF: 56-57
2008-07-21J FeitsmaF
Factor: 994163953