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
74206889TF
No factors below 275
TF target 274
P-1
B1 = 2000000
B2 = 400395660
LL
StatusDateUserResidueShift
Unverified2015-09-20Bassam Abdul-Baki6F85FB08D2360B__45979658
PRP
StatusDateUserResidueShiftTypeBase
Verified2021-12-10MannImMondEC7F1E171C052631013
History
DateUserTypeResult
2021-12-10James HeinrichCERT
PRP Certification
Proof certified good
2021-12-10MannImMondC-PRP
EC7F1E171C052631
PRP: Verified
Proof certified good
2021-11-30MannImMondNF-PM1
B1=2000000, B2=400395660
2015-09-20Bassam Abdul-BakiC-LL
6F85FB08D2360B__
2015-06-10kurlyNF-PM1
B1=640000, B2=12800000, E=12
2015-06-03kdgehmanNF
no factor from 2^74 to 2^75
2015-06-03kdgehmanNF
no factor from 2^73 to 2^74
2015-06-03kdgehmanNF
no factor from 2^72 to 2^73
2015-06-03kdgehmanNF
no factor from 2^71 to 2^72
2013-05-10SMoffatNF
no factor from 2^70 to 2^71
2012-10-23Clown_RoyalNF
no factor from 2^69 to 2^70
2010-10-07Per JessenNF
no factor from 2^68 to 2^69
2010-10-03DAGNF
no factor from 2^67 to 2^68
2010-09-27Aleksey OsadchiyNF
no factor from 2^66 to 2^67
2010-08-27Aleksey OsadchiyNF
no factor from 2^65 to 2^66
2010-08-24PalantsevichNF
no factor from 2^64 to 2^65
2008-09-12lycornNF
no factor to 2^64