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:





MnDetails
44798423
Composite: proven not-prime with Lucas-Lehmer test
No factors below 274
TF target 272
P-1
B1 = 1000000
B2 = 20000000
LL
StatusDateUserResidueShiftSoftware
Bad2010-11-07Martti Järvi3ABD5DC9E66E749114616706Linux 64-bit,Prime95,v25.11,build 2
Verified2012-03-19curtiscC7DB9D1ED946AA3143984415Windows Service,Prime95,v26.5,build 5
Verified2016-10-10Mark RoseC7DB9D1ED946AA3113018020Linux 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2024-06-20James HeinrichNFno factor TF: 69-70
2019-11-11Sid & AndyNFno factor TF: 73-74
2019-09-30Sid & AndyNF-PM1B1=1000000, B2=20000000, E=6
2018-08-05-anonymous-NFno factor TF: 72-73
2016-10-10Mark RoseC-LLC7DB9D1ED946AA31
2015-08-10GregNFno factor TF: 70-72
2015-08-04Carsten KossendeyNFno factor TF: 69-70
2014-07-06VictordeHollanderNFno factor TF: 68-69
2012-03-19curtiscC-LLC7DB9D1ED946AA31
2010-11-07Martti JärviC-LL3ABD5DC9E66E7491
2010-04-18dlafaveNF-PM1B1=755000
2007-11-17precius1NFno factor TF: 1-68