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
63019783Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 276
TF target 274
P-1
B1 = 565000
B2 = 11300000
LL
StatusDateUserResidueShift
Bad2013-11-02Ake Tilander8DEFD484F28D645210038830
Bad2023-03-16lordloucksterDED9FAFD1A929DA841077552
Verified2023-03-22lordlouckster02C69C667D66C16F48667385
Verified2023-03-27lordlouckster02C69C667D66C16F14621279
Verified2023-04-03Ryan Propper02C69C667D66C16F17573035
Verified2023-05-31smitjja02C69C667D66C16F42543835
History
DateUserTypeResult
2023-10-04Smok_bmv NF
no factor from 2^75 to 2^76
2023-10-04Smok_bmv NF
no factor from 2^74 to 2^75
2023-05-31smitjjaC-LL
02C69C667D66C16F
2023-04-03Ryan PropperC-LL
02C69C667D66C16F
2023-03-27lordloucksterC-LL
02C69C667D66C16F
2023-03-22lordloucksterC-LL
02C69C667D66C16F
2023-03-16lordloucksterC-LL
DED9FAFD1A929DA8
2023-03-11mikereedwtNF-PM1
B1=400000, B2=13002660
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2013-11-02Ake TilanderC-LL
8DEFD484F28D6452
2013-06-09TheJudgerNF-PM1
B1=565000, B2=11300000, E=12
2013-04-05delta_tNF
no factor from 2^73 to 2^74
2013-04-03delta_tNF
no factor from 2^72 to 2^73
2013-04-03delta_tNF
no factor from 2^71 to 2^72
2013-03-09garoNF
no factor from 2^70 to 2^71
2011-12-27-Anonymous-NF
no factor from 2^69 to 2^70
2009-10-25NoWhereManNF
no factor from 2^68 to 2^69
2009-10-17Team_DeutschlandNF
no factor from 2^67 to 2^68
2009-10-10pomakisNF
no factor from 2^66 to 2^67
2009-10-02glubexNF
no factor from 2^65 to 2^66
2009-09-13Nemosoft Unv.NF
no factor from 2^64 to 2^65
2009-02-08Wojciech FlorekNF
no factor from 2^63 to 2^64