Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
7127TF
No factors below 266
TF target 244
TF below 2^183 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 34000000000
B2 = 142096338314180250
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
6026000000032483 / 105362
Estimated T-Level: 56.5
LL
StatusDateUserResidueShift
VerifiedUnknown71E60
VerifiedGeorge WoltmanF5A4198F839E71E60
VerifiedBrian J. BeesleyF5A4198F839E71E60
Verified2015-04-11MadPooF5A4198F839E71E66934
History
DateUserTypeResult
2023-08-24-Anonymous-NF-PM1
B1=34000000000, B2=142096338314180250
2023-08-17masserNF-PP1
Start=6/5, B1=1200000000, B2=214800000000
2023-07-18masserNF-PM1
B1=72000000000, B2=82656994240821000
2023-07-10masserNF-PP1
Start=101/59, B1=1200000000, B2=48000000000
2022-02-28Anton RepkoNF
no factor from 2^64 to 2^66
2021-04-23gLaussNF-PP1
Start=2/7, B1=1000000000, B2=100000000000
2021-04-22gLaussNF-PP1
Start=2/7, B1=1000000, B2=100000000
2021-01-24Ruslan BorisovNF
no factor from 2^64 to 2^65
2018-09-08snme2pm1NF
no factor from 2^63 to 2^64
2016-11-29snme2pm1NF
no factor from 2^62 to 2^63
2016-11-22mikrNF-PM1
B1=60000000000, B2=4800000000000, E=12
2016-11-19-Anonymous-NF-PM1
B1=100000000000, B2=1000000000000, E=12
2016-11-17-Anonymous-NF-PM1
B1=40000000000, B2=400000000000, E=12
2016-11-17-Anonymous-NF-PM1
B1=20000000000, B2=200000000000, E=12
2016-11-10James HintzNF-PM1
B1=1888580603, B2=115203416783, E=12
2016-02-23LaurVNF
no factor from 2^57 to 2^58
2015-08-20Sid & AndyNF
no factor from 2^61 to 2^62
2015-04-11MadPooC-LL
F5A4198F839E71E6
2013-11-20blahpyNF-PM1
B1=10000000000
2012-11-08bcp19NF
no factor from 2^60 to 2^61
2010-08-10chalsallNF
no factor from 2^59 to 2^60
2010-08-10chalsallNF
no factor from 2^58 to 2^59