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
1847777Factored
FactorDigitsBitsDate
513682007928.9old
523235900022971445.62014-01-23 13:39:14
36973635675733100171961.72015-08-29 11:02:18
52005271588518720471962.22016-07-06 10:35:17
465949162557534494021512375.32020-12-15 22:46:29
ECM
DigitsB1Curves
2550000280 / 280
30250000106 / 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 Kruse67D8FA98CAA9F0ED4013
Verified (Factored)2017-11-11kkmrkkblmbrbk67D8FA98CAA9F0ED469880713
Verified2020-12-16Maciej Kmieciak6609286AB8036A845106052053
P-1 factors
DateFactorB1B2
2015-08-29369736356757331001750000015000000
History
DateUserTypeResult
2020-12-16curtiscCERT
PRP Certification
Proof certified good
2020-12-16Maciej KmieciakC-PRP
M1847777/513682007/52323590002297/3697363567573310017/5200527158851872047/46594916255753449402151 : 6609286AB8036A84
PRP proof power = 7
PRP: Verified
Proof certified good
2020-12-15PoaoF-ECM
Factor: 46594916255753449402151 / (ECM curve 1, B1=50000, B2=5000000, Sigma=5914000869569971)
2017-11-11kkmrkkblmbrbkC-PRP
M1847777/513682007/52323590002297/3697363567573310017/5200527158851872047 : 67D8FA98CAA9F0ED
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-05Oliver KruseC-PRP
M1847777/513682007/52323590002297/3697363567573310017/5200527158851872047 : 67D8FA98CAA9F0ED
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-04Oliver KruseC-PRP
M1847777/513682007/52323590002297/3697363567573310017/5200527158851872047 : 67D8FA98CAA9F0ED
PRP without proof (not generated)
2016-07-06TJAOIF
Factor: 5200527158851872047 / TF: 62-63
2015-08-29alpertronF-PM1
Factor: 3697363567573310017 / (P-1, B1=500000, B2=15000000, E=12)
2014-01-23TJAOIF
Factor: 52323590002297