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
6916277TF
No factors below 272
TF target 267
P-1
B1 = 4000000
B2 = 456818670
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1 ⓘ
LL
StatusDateUserResidueShift
Verified1999-05-30Abdullah Kasapoglu7DE48FF840B5586F5077251
Verified2001-10-13David Metcalfe7DE48FF840B5586F5033610
History
DateUserTypeResult
2021-12-02Seth_TrNF-PM1
B1=4000000, B2=456818670
2021-11-07Seth_TrNF-PM1
B1=2000000, B2=58000000, E=12
2021-09-25SRBaseNF
no factor from 2^71 to 2^72
2016-01-06ramgeisNF
no factor from 2^70 to 2^71
2014-03-28ramgeisNF
no factor from 2^69 to 2^70
2014-03-28ramgeisNF
no factor from 2^68 to 2^69
2014-03-28ramgeisNF
no factor from 2^67 to 2^68
2014-03-28ramgeisNF
no factor from 2^66 to 2^67
2014-01-17lycornNF
no factor from 2^65 to 2^66
2013-08-05NesowaNF-PM1
B1=430000, B2=11287500, E=12
2012-08-15BloodIceNF
no factor from 2^64 to 2^65
2012-08-15BloodIceNF
no factor from 2^63 to 2^64
2011-11-20James HeinrichNF-PM1
B1=130000, B2=2665000, E=6