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
556093TF
No factors below 268
TF target 244
TF below 2^97 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 70000000
B2 = 2417096561880
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000181 / 1566
Estimated T-Level: 30.6
LL
StatusDateUserResidueShift
VerifiedDavid Slowinski27360
VerifiedCharles F. Kerchner III8D0CC7307472A7360
Verified2002-05-25Dennis Pope8D0CC7307472A736436541
Verified2015-04-11MadPoo8D0CC7307472A736313024
History
DateUserTypeResult
2023-10-15JossNF-PM1
B1=5034322, B2=24272588340
2023-10-12linamentNF-PM1
B1=70000000, B2=2417096561880
2023-10-11JossNF-PM1
B1=5034322, B2=8421072660
2023-10-10linamentNF-PM1
B1=70000000
2023-06-04JossNF-PM1
B1=1113186, B2=53759555850
2023-01-17JossNF-PM1
B1=1113186, B2=8421072660
2022-12-11masserNF-PP1
Start=2/7, B1=16000000, B2=496000000
2022-12-09masserNF-PP1
Start=6/5, B1=8000000, B2=216000000
2022-12-02masserNF-PP1
Start=81/11, B1=4000000, B2=168000000
2022-04-29Gordon SpenceNF
no factor from 2^67 to 2^68
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2020-08-23YxinityNF
no factor from 2^66 to 2^67
2018-06-04chuenkitNF
no factor from 2^65 to 2^66
2017-09-27BloodERazorNF
no factor from 2^64 to 2^65
2016-02-23Mark RoseNF
no factor from 2^60 to 2^61
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2015-09-12Gordon SpenceNF
no factor from 2^63 to 2^64
2015-09-12Gordon SpenceNF
no factor from 2^62 to 2^63
2015-07-10NRNF
no factor from 2^61 to 2^62
2015-04-11MadPooC-LL
8D0CC7307472A736
2014-02-21BloodIceNF-PM1
B1=10000000, B2=1000000000, E=12
2014-02-14BloodIceNF-PM1
B1=10000000, B2=500000000, E=12
2013-10-11David CampeauNF-PM1
B1=1350000, B2=36450000, E=12
2012-07-14JossNF-PM1
B1=1112186
2012-03-05JossNF-PM1
B1=888754
2011-08-09JossNF-PM1
B1=711003
2011-06-26JossNF-PM1
B1=426602
2011-06-24JossNF-PM1
B1=400000