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

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MnStatusDetails
4824619Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
1194464839457340496687932476.72023-03-13 15:07:42
ECM
DigitsB1Curves
25500009 / 280
Estimated T-Level: 20.2 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1998-08-24Sturle Sunde6D83B0055506B39C0
Verified (Factored)2000-06-26Mike Faunce6D83B0055506B39C1922940
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-03-20Yves de Wandelaar657890E1FBC255141295674953
P-1 factors
DateFactorB1B2
2023-03-13119446483945734049668793410000010597329600
History
DateUserTypeResult
2023-03-20Jim DonovanCERT
PRP Certification
Proof certified good
2023-03-20Yves de WandelaarC-PRP
M4824619/119446483945734049668793 : 657890E1FBC25514
PRP proof power = 7
PRP: Verified
Proof certified good
2023-03-13Sid & AndyF-PM1
Factor: 119446483945734049668793 / (P-1, B1=4100000, B2=10597329600)
2020-12-08-Anonymous-NF
no factor from 2^71 to 2^72
2020-12-03-Anonymous-NF
no factor from 2^70 to 2^71
2020-12-03-Anonymous-NF
no factor from 2^69 to 2^70
2020-12-03-Anonymous-NF
no factor from 2^68 to 2^69
2018-05-08ramgeisNF
no factor from 2^67 to 2^68
2017-11-09YxinityNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-07-18snme2pm1NF
no factor from 2^65 to 2^66
2015-01-04VictordeHollanderNF
no factor from 2^64 to 2^65
2015-01-04VictordeHollanderNF
no factor from 2^63 to 2^64
2013-12-12David CampeauNF-PM1
B1=410000, B2=11070000, E=12
2011-09-28GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-05-05markrNF
no factor from 2^61 to 2^62
2009-08-25Carsten KossendeyNF-PM1
B1=30000, B2=435000