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
2133277TF
No factors below 271
TF target 262
TF below 2^90 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 5880454
B2 = 24204824280
ECM
DigitsB1Curves
2550000280 / 280
30250000457 / 640
Estimated T-Level: 28.6
LL
StatusDateUserResidueShift
VerifiedHerb Savage9F7A4D2B2AFB5DAD0
Verified1999-02-07Brian Doherty9F7A4D2B2AFB5DAD329033
Verified2018-04-06kkmrkkblmbrbk9F7A4D2B2AFB5DAD487427
History
DateUserTypeResult
2024-01-27JossNF-PM1
B1=5880454, B2=24204824280
2024-01-26JossNF-PM1
B1=5880454, B2=11966409000
2024-01-02NumberwangNF-PM1
B1=210000, B2=1025551800
2023-12-10JossNF-PM1
B1=2940228, B2=6378884820
2023-11-08JossNF-PM1
B1=2940227, B2=2961609420
2023-07-30JossNF-PM1
B1=1000000, B2=48817657980
2023-07-22JossNF-PM1
B1=1000000, B2=24340827420
2023-07-21JossNF-PM1
B1=1000000, B2=12102412140
2023-07-20JossNF-PM1
B1=1000000, B2=5983204500
2021-05-18ViliamFNF-PP1
Start=6/5, B1=50000000, B2=6050000000
2021-05-14ViliamFNF-PP1
Start=2/7, B1=50000000, B2=6150000000
2021-05-13ViliamFNF-PM1
B1=50000000, B2=2500000000
2021-05-13ViliamFNF
no factor from 2^70 to 2^71
2021-05-13ViliamFNF
no factor from 2^69 to 2^70
2021-05-13ViliamFNF
no factor from 2^68 to 2^69
2019-04-29TJAOINF
no factor from 2^67 to 2^68
2018-04-06kkmrkkblmbrbkC-LL
9F7A4D2B2AFB5DAD
2017-09-30mikrNF-PM1
B1=2500000, B2=125000000, E=12
2017-09-13JossNF-PM1
B1=504000, B2=5040000, E=6
2017-08-30JossNF-PM1
B1=420000, B2=4200000, E=6
2016-10-29Gordon SpenceNF
no factor from 2^66 to 2^67
2016-06-29JossNF-PM1
B1=210000, B2=6090000, E=12
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2015-12-27ramgeisNF
no factor from 2^65 to 2^66
2015-03-15VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-15VictordeHollanderNF
no factor from 2^63 to 2^64
2013-09-07ramgeisNF
no factor from 2^62 to 2^63
2012-04-15Sebastian HornbostelNF
no factor from 2^61 to 2^62
2011-01-23James HeinrichNF-PM1
B1=140000, B2=3045000, E=6
2011-01-12JossNF-PM1
B1=50000
2009-01-05Sturle SundeNF
no factor from 2^60 to 2^61