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
44644351Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 272
P-1
B1 = 1500000
B2 = 30000000
LL
StatusDateUserResidueShift
Verified2011-03-30rextherunt5B7C823E6DB5FA1B24633368
Verified2018-07-07pierp5B7C823E6DB5FA1B17838352
History
DateUserTypeResult
2020-11-12Sid & AndyNF
no factor from 2^74 to 2^75
2020-10-13Sid & AndyNF-PM1
B1=1500000, B2=30000000, E=12
2019-12-30-Anonymous-NF
no factor from 2^73 to 2^74
2018-07-07pierpC-LL
5B7C823E6DB5FA1B
2018-04-03Kevin JagetNF
no factor from 2^72 to 2^73
2015-08-09XZTNF
no factor from 2^71 to 2^72
2015-08-09XZTNF
no factor from 2^70 to 2^71
2015-08-09XZTNF
no factor from 2^69 to 2^70
2014-06-27chalsallNF
no factor from 2^68 to 2^69
2011-03-30rextheruntC-LL
5B7C823E6DB5FA1B
2010-02-04ANONYMOUSNF-PM1
B1=755000