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
46300987
Composite: proven not-prime with Lucas-Lehmer test
No factors below 276
TF target 272
P-1
B1 = 565000
B2 = 15678750
LL
StatusDateUserResidueShiftSoftware
Bad2009-10-12Will Wilkinson867B029FEECE871B27085763Windows 64-bit,Prime95,v25.9,build 4
Verified2015-11-20endless_mikeF4B894437AA8082A5937090Windows 64-bit,Prime95,v28.7,build 1
Verified2016-09-08Mark RoseF4B894437AA8082A32564468Linux 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2024-05-25ChuckNFno factor TF: 68-69
2020-11-26-anonymous-NFno factor TF: 75-76
2020-11-24-anonymous-NFno factor TF: 74-75
2020-01-11-anonymous-NFno factor TF: 73-74
2018-05-31monstNFno factor TF: 72-73
2016-09-08Mark RoseC-LLF4B894437AA8082A
2015-11-20endless_mikeC-LLF4B894437AA8082A
2015-10-26tigreroarsNFno factor TF: 71-72
2015-10-26tigreroarsNFno factor TF: 70-71
2015-06-26Sid & AndyNFno factor TF: 69-70
2013-02-12Carsten KossendeyNFno factor TF: 68-69
2009-10-12Will WilkinsonC-LL867B029FEECE871B
2009-08-10Will WilkinsonNF-PM1B1=565000, B2=15678750, E=6
2008-02-03Chih-Wei HuangNFno factor TF: 1-68