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
61865621TF
No factors below 274
TF target 274
P-1
B1 = 625000
B2 = 16250000
LL
StatusDateUserResidueShift
Verified2014-02-13Kantico748A7199047079C38711591
Verified2021-09-10Smok_bmv 748A7199047079C344334607
History
DateUserTypeResult
2021-09-10Smok_bmv C-LL
748A7199047079C3
2016-03-04-Anonymous-NF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2014-02-13KanticoC-LL
748A7199047079C3
2012-07-09kdgehmanNF-PM1
B1=625000, B2=16250000, E=6
2012-06-14kdgehmanNF
no factor from 2^72 to 2^73
2012-06-13kdgehmanNF
no factor from 2^71 to 2^72
2012-03-26kdgehmanNF
no factor from 2^70 to 2^71
2012-03-26kdgehmanNF
no factor from 2^69 to 2^70
2010-04-01Dual Opteron 6CNF
no factor from 2^68 to 2^69
2010-01-23unconnectedNF
no factor from 2^67 to 2^68
2009-11-21SADMASTERNF
no factor from 2^66 to 2^67
2009-09-21aEricNF
no factor from 2^65 to 2^66
2009-04-13ITSNF
no factor from 2^64 to 2^65
2009-02-09Sturle SundeNF
no factor from 2^63 to 2^64