Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
2007913Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
34536103611031.7old
1061195837953309511856.62015-04-13 11:48:16
19594642285989798574792270.72023-01-20 08:39:16
ECM
DigitsB1Curves
2550000280 / 280
30250000117 / 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)2017-10-05Oliver Kruse356915717300BE2A2013
Verified (Factored)2017-11-13kkmrkkblmbrbk356915717300BE2A219199413
Verified2023-01-21LordJulius336D67F62234CC4E3183601053
History
DateUserTypeResult
2023-01-21curtiscCERT
PRP Certification
Proof certified good
2023-01-21LordJuliusC-PRP
M2007913/3453610361/106119583795330951/1959464228598979857479 : 336D67F62234CC4E
PRP proof power = 7
PRP: Verified
Proof certified good
2023-01-20TJAOIF-ECM
Factor: 1959464228598979857479 / (ECM curve 35, B1=250000, B2=40000000)
2017-11-13kkmrkkblmbrbkC-PRP
M2007913/3453610361/106119583795330951 : 356915717300BE2A
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-05Oliver KruseC-PRP
M2007913/3453610361/106119583795330951 : 356915717300BE2A
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2015-04-13TJAOIF
Factor: 106119583795330951 / TF: 56-57