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
60550541TF
No factors below 276
TF target 273
P-1
B1 = 1000000
B2 = 30000000
LL
StatusDateUserResidueShift
Bad2013-08-29enrico253D571036FC14DF45825770
Verified2021-11-01riccardo ubertiB0E6C46DEF9390544835187
Verified2021-11-11techn1ciaNB0E6C46DEF9390540
History
DateUserTypeResult
2021-11-11techn1ciaNC-LL
B0E6C46DEF939054
2021-11-10MadPooNF
no factor from 2^75 to 2^76
2021-11-03MadPooNF
no factor from 2^74 to 2^75
2021-11-01riccardo ubertiC-LL
B0E6C46DEF939054
2021-10-22riccardo ubertiNF-PM1
B1=1000000, B2=30000000
2016-03-04AirSquirrelsNF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2013-08-29enricoC-LL
253D571036FC14DF
2013-04-03James HeinrichNF-PM1
B1=570000, B2=11257500
2012-12-05Jerry HallettNF
no factor from 2^70 to 2^73
2011-07-12Paul LeylandNF
no factor from 2^69 to 2^70
2009-06-27Sturle SundeNF
no factor from 2^68 to 2^69
2009-04-08tmorrowNF
no factor from 2^67 to 2^68
2009-04-04tmorrowNF
no factor from 2^66 to 2^67
2009-03-30tmorrowNF
no factor from 2^65 to 2^66
2009-03-25Sturle SundeNF
no factor from 2^64 to 2^65
2009-01-22-Anonymous-NF
no factor from 2^63 to 2^64