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
81254567Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 275
P-1
B1 = 715000
B2 = 14478750
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-09-07George Woltman4B94BA723F47D8254667019113
Verified2019-11-19ky0uraku4B94BA723F47D825013
History
DateUserTypeResult
2019-11-19ky0urakuC-PRP
4B94BA723F47D825
PRP: Verified
PRP without proof (not generated)
2018-09-07George WoltmanC-PRP
4B94BA723F47D825
PRP: Verified
PRP without proof (not generated)
2017-08-03Architects CubedNF-PM1
B1=715000, B2=14478750, E=6
2016-11-06-Anonymous-NF
no factor from 2^74 to 2^75
2016-11-06-Anonymous-NF
no factor from 2^73 to 2^74
2016-10-03BdotNF
no factor from 2^72 to 2^73
2013-02-10SWL551NF
no factor from 2^71 to 2^72
2013-02-10SWL551NF
no factor from 2^70 to 2^71
2013-02-10SWL551NF
no factor from 2^69 to 2^70
2013-02-03albin_pouillesNF
no factor from 2^68 to 2^69
2013-02-02Marius ZensNF
no factor from 2^67 to 2^68
2013-01-27Cow_tippingNF
no factor from 2^66 to 2^67
2011-02-20]mh[ VirtekNF
no factor from 2^65 to 2^66
2010-12-12Architects CubedNF
no factor from 2^64 to 2^65