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
9679TF
No factors below 266
TF target 244
TF below 2^164 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 60000000000
B2 = 248360216122568550
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
551100000007813 / 40830
Estimated T-Level: 51.0
LL
StatusDateUserResidueShift
VerifiedUnknown7A330
VerifiedGeorge Woltman72BBE50EB38BFA330
VerifiedBrian J. Beesley72BBE50EB38BFA330
Verified2015-04-11MadPoo72BBE50EB38BFA331773
History
DateUserTypeResult
2023-08-19masserNF-PP1
Start=6/5, B1=850000000, B2=152150000000
2023-07-09masserNF-PP1
Start=180/11, B1=850000000, B2=34000000000
2023-06-19JacobZNF-PM1
B1=60000000000, B2=248360216122568550
2022-03-17Anton RepkoNF
no factor from 2^64 to 2^66
2021-05-12ATHNF-PP1
Start=2/7, B1=1000000000, B2=241000000000
2021-01-04Ruslan BorisovNF
no factor from 2^64 to 2^65
2018-02-19snme2pm1NF
no factor from 2^63 to 2^64
2016-06-27-Anonymous-NF-PM1
B1=100000000000, B2=1000000000000, E=12
2016-05-18-Anonymous-NF-PM1
B1=10000000000, B2=100000000000, E=12
2016-02-23LaurVNF
no factor from 2^57 to 2^58
2015-04-11MadPooC-LL
72BBE50EB38BFA33
2015-02-10JayderNF-PM1
B1=1359491973, B2=80210026404, E=12
2015-01-20LaurVNF
no factor from 2^62 to 2^63
2015-01-19LaurVNF
no factor from 2^61 to 2^62
2012-11-08bcp19NF
no factor from 2^60 to 2^61
2010-07-20George WoltmanNF
no factor from 2^59 to 2^60
2010-07-20George WoltmanNF
no factor from 2^58 to 2^59