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
33236851Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 271
P-1
B1 = 375000
B2 = 5906250
LL
StatusDateUserResidueShift
Bad2002-03-31Ali KutubuddinFA4E02C6AF9CCFD15904161
Verified2005-09-03Mischa KennBD9EEDA955F5B4B1364760
Verified2011-09-14Patrik JohanssonBD9EEDA955F5B4B128953673
History
DateUserTypeResult
2019-12-28-Anonymous-NF
no factor from 2^72 to 2^73
2019-12-28-Anonymous-NF
no factor from 2^71 to 2^72
2015-01-11NesowaNF
no factor from 2^70 to 2^71
2013-11-28sasakiNF
no factor from 2^69 to 2^70
2013-08-27Torben K.NF
no factor from 2^68 to 2^69
2011-09-14Patrik JohanssonC-LL
BD9EEDA955F5B4B1