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

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Exponent Range:










MnStatusDetails
42652343TF
No factors below 276
TF target 272
P-1
B1 = 1500000
B2 = 45000000
LL
StatusDateUserResidueShift
Verified2009-08-19UCLA MathematicsC6705D91957365F53100843
Verified2017-11-08Sergey NosovC6705D91957365F526124160
History
DateUserTypeResult
2021-06-29-Anonymous-NF
no factor from 2^75 to 2^76
2021-06-13Yves de WandelaarNF
no factor from 2^74 to 2^75
2021-03-28Sid & AndyNF-PM1
B1=1500000, B2=45000000
2020-01-17-Anonymous-NF
no factor from 2^73 to 2^74
2018-09-08LaurVNF
no factor from 2^72 to 2^73
2017-11-08Sergey NosovC-LL
C6705D91957365F5
2015-08-31-Anonymous-NF
no factor from 2^71 to 2^72
2015-03-24Mark RoseNF
no factor from 2^70 to 2^71
2014-04-27Grant McCrackenNF
no factor from 2^69 to 2^70
2014-01-03LaurVNF
no factor from 2^68 to 2^69
2009-08-19UCLA MathematicsC-LL
C6705D91957365F5
2009-03-15ANONYMOUSNF-PM1
B1=715000