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
40525691TF
No factors below 274
TF target 272
P-1
B1 = 480000
B2 = 11640000
LL
StatusDateUserResidueShift
Verified2009-07-11KWSN-Sir Papa SmurphA9B563548AA71F6220091516
Verified2017-03-17Sergey NosovA9B563548AA71F622790108
History
DateUserTypeResult
2020-01-31-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2017-03-17Sergey NosovC-LL
A9B563548AA71F62
2015-04-24Gordon SpenceNF
no factor from 2^71 to 2^72
2014-12-25NickOfTimeNF
no factor from 2^70 to 2^71
2014-12-25NickOfTimeNF
no factor from 2^69 to 2^70
2013-11-08Carsten KossendeyNF
no factor from 2^68 to 2^69
2009-07-11KWSN-Sir Papa SmurphC-LL
A9B563548AA71F62
2009-03-03KWSN-Sir Papa SmurphNF-PM1
B1=480000, B2=11640000