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
79212281TF
No factors below 275
TF target 275
P-1
B1 = 670000
B2 = 13567500
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-04-27ky0uraku72B63F21B94AB9D95694604913
Verified2019-04-19David Lee72B63F21B94AB9D92228347913
History
DateUserTypeResult
2019-04-19David LeeC-PRP
72B63F21B94AB9D9
PRP: Verified
PRP without proof (not generated)
2018-04-27ky0urakuC-PRP
72B63F21B94AB9D9
PRP: Verified
PRP without proof (not generated)
2016-08-20NesowaNF-PM1
B1=670000, B2=13567500, E=12
2016-08-02CacheOutNF
no factor from 2^74 to 2^75
2016-08-02CacheOutNF
no factor from 2^73 to 2^74
2016-07-26ANONYMOUSNF
no factor from 2^72 to 2^73
2016-04-05Mark RoseNF
no factor from 2^63 to 2^64
2016-04-05Mark RoseNF
no factor from 2^64 to 2^65
2016-02-19GregNF
no factor from 2^71 to 2^72
2013-01-16xiaowuc1NF
no factor from 2^70 to 2^71
2012-04-06Per JessenNF
no factor from 2^69 to 2^70
2010-11-25frigoNF
no factor from 2^68 to 2^69
2010-11-23bucky_mbNF
no factor from 2^67 to 2^68
2010-11-22KiwaitiNF
no factor from 2^66 to 2^67
2010-11-14S00030NF
no factor from 2^65 to 2^66