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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MnStatusDetails
104559661Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime
TF
No factors below 276
TF target 276
P-1
B1 = 870000
B2 = 17617500
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2020-12-15Will Kurach5A0B5DB6B51DF1__8220413313
History
DateUserTypeResult
2020-12-15Will KurachC-PRP
5A0B5DB6B51DF1__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2020-10-31Will KurachNF-PM1
B1=870000, B2=17617500, E=4
2020-10-17ktonyNF
no factor from 2^75 to 2^76
2020-10-17ktonyNF
no factor from 2^74 to 2^75
2020-03-31SRBaseNF
no factor from 2^73 to 2^74
2020-03-16erick84mmNF
no factor from 2^72 to 2^73
2018-01-05el groccoNF
no factor from 2^71 to 2^72
2014-12-30shaugeNF
no factor from 2^70 to 2^71
2014-12-30shaugeNF
no factor from 2^69 to 2^70
2014-05-12Chih-Wei HuangNF
no factor from 2^68 to 2^69
2014-05-08-Anonymous-NF
no factor from 2^67 to 2^68
2013-11-03Jens PedersenNF
no factor from 2^66 to 2^67
2012-05-15alan145NF
no factor from 2^65 to 2^66
2010-08-28Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-04-18sasaki3NF
no factor from 2^63 to 2^64