Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
103861831Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime
TF
No factors below 277
TF target 276
P-1
B1 = 805000
B2 = 14691250
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2020-08-30Jon PaceF127E32653D23E__8707214113
History
DateUserTypeResult
2020-08-30Jon PaceC-PRP
F127E32653D23E__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2020-08-18Jon PaceNF-PM1
B1=805000, B2=14691250
2020-08-10ChuckNF
no factor from 2^76 to 2^77
2020-08-09ktonyNF
no factor from 2^75 to 2^76
2020-08-09Alexander PavlicinNF
no factor from 2^74 to 2^75
2019-08-27Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-08-27Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2014-12-30SMoffatNF
no factor from 2^71 to 2^72
2013-09-20RobishNF
no factor from 2^70 to 2^71
2013-09-17RobishNF
no factor from 2^69 to 2^70
2013-09-10RobishNF
no factor from 2^68 to 2^69
2013-09-05RobishNF
no factor from 2^67 to 2^68
2013-09-02RobishNF
no factor from 2^66 to 2^67
2012-05-01krackerNF
no factor from 2^65 to 2^66
2010-10-24sasaki3NF
no factor from 2^64 to 2^65
2010-04-17sasaki3NF
no factor from 2^63 to 2^64