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

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MnStatusDetails
3006439Factored
FactorDigitsBitsDate
305455903538900935738632374.72021-09-29 23:54:16
ECM
DigitsB1Curves
255000085 / 280
Estimated T-Level: 21.5
TF below 2^66 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1999-05-30John M. Drescher4A668647BF3029C21568014
Verified (Factored)2001-06-30IES R.Dieste-I.Larrosa4A668647BF3029C20
Verified (Factored)2012-09-02kdgehman4A668647BF3029C22404824
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2021-10-05xyuzyz659E1DCDC43871B61115754553
Verified2021-10-06LaurV659E1DCDC43871B6139516153
History
DateUserTypeResult
2022-01-22JossNF-PM1
B1=1000000, B2=119912100
2022-01-15JossNF
no factor from 2^68 to 2^69
2022-01-15JossNF
no factor from 2^67 to 2^68
2021-10-06TaraNNNBCERT
PRP Certification
Proof certified good
2021-10-06LaurVC-PRP
M3006439/30545590353890093573863 : 659E1DCDC43871B6
PRP proof power = 7
PRP: Verified
Proof certified good
2021-10-05xyuzyzC-PRP
M3006439/30545590353890093573863 : 659E1DCDC43871B6
PRP: Verified
PRP without proof (not generated)
2021-09-29MarkSF-ECM
Factor: 30545590353890093573863 / (ECM curve 3, B1=50000, B2=5000000, Sigma=3456086301692531)
2019-01-06oodairaNF-PM1
B1=32773938, B2=1868114466, E=12
2016-10-05treborNF-PM1
B1=1650000, B2=300000000, E=12
2016-08-14treborNF-PM1
B1=1650000, B2=120000000, E=12
2016-02-23Mark RoseNF
no factor from 2^60 to 2^61
2016-01-05ramgeisNF
no factor from 2^70 to 2^71
2014-04-02ramgeisNF
no factor from 2^69 to 2^70
2014-04-02ramgeisNF
no factor from 2^68 to 2^69
2014-04-02ramgeisNF
no factor from 2^67 to 2^68
2014-04-02ramgeisNF
no factor from 2^66 to 2^67
2012-09-02kdgehmanC-LL
4A668647BF3029C2
2012-02-25Richard B. WoodsNF
no factor from 2^65 to 2^66
2010-08-25Richard B. WoodsNF
no factor from 2^64 to 2^65
2010-05-18Richard B. WoodsNF
no factor from 2^63 to 2^64
2010-05-18Richard B. WoodsNF
no factor from 2^62 to 2^63
2010-04-08Richard B. WoodsNF
no factor from 2^61 to 2^62
2009-07-08BigBrotherNF-PM1
B1=1000000, B2=100000000, E=12