Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
61705921TF
No factors below 276
TF target 274
P-1
B1 = 695000
B2 = 695000
LL
StatusDateUserResidueShift
Unverified2015-03-10-Anonymous-3E7FFD65F09BFE__60949572
PRP
StatusDateUserResidueShiftTypeBase
Verified2021-08-31adamgmB3FE6C7CF60A6695013
Verified2021-09-10_p95holder_B3FE6C7CF60A66955339726713
History
DateUserTypeResult
2021-09-10_p95holder_C-PRP
B3FE6C7CF60A6695
PRP: Verified
PRP without proof (not generated)
2021-08-31adamgmC-PRP
B3FE6C7CF60A6695
PRP: Verified
PRP without proof (not generated)
2020-12-26RobertKazanNF
no factor from 2^75 to 2^76
2020-12-26RobertKazanNF
no factor from 2^74 to 2^75
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-03-10-Anonymous-C-LL
3E7FFD65F09BFE__
2014-11-06Jerry HallettNF
no factor from 2^73 to 2^74
2013-04-07-Anonymous-NF-PM1
B1=695000
2013-02-10bcp19NF
no factor from 2^72 to 2^73
2013-02-10bcp19NF
no factor from 2^71 to 2^72
2012-10-31ITSNF
no factor from 2^70 to 2^71
2011-11-24-Anonymous-NF
no factor from 2^69 to 2^70
2009-10-05Marius ZensNF
no factor from 2^68 to 2^69
2009-09-22BillNF
no factor from 2^67 to 2^68
2009-04-12vidmarNF
no factor from 2^66 to 2^67
2009-04-11vidmarNF
no factor from 2^65 to 2^66
2009-04-092knarfNF
no factor from 2^64 to 2^65
2009-04-07S00030NF
no factor from 2^63 to 2^64