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
30835183
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 271
P-1
B1 = 1500000
B2 = 45000000
LL
StatusDateUserResidueShiftSoftware
Verified2006-04-28Phil Nelson507A79D6F027DA562309963Linux 32-bit,Prime95,v24 final,(aka Wc2)
Verified2013-11-30Dubslow507A79D6F027DA561516249Linux 64-bit,Prime95,v27.9,build 1
History
DateUserTypeResult
2021-10-04TheJudgerNFno factor TF: 74-75
2021-09-21Sid & AndyNF-PM1B1=1500000, B2=45000000
2020-03-28-anonymous-NFno factor TF: 73-74
2019-12-13-anonymous-NFno factor TF: 71-72
2019-12-13-anonymous-NFno factor TF: 72-73
2018-04-11ramgeisNFno factor TF: 70-71
2013-11-30DubslowC-LL507A79D6F027DA56
2013-02-16bcp19NFno factor TF: 69-70
2012-04-24apsenNFno factor TF: 68-69
2011-05-20UngelovendeNFno factor TF: 67-68
2006-04-28WWU-CSC-LL507A79D6F027DA56
2005-12-12-anonymous-NF-PM1B1=510000
2005-08-16TheJudgerNFno factor TF: 1-67
2003-08-25AxelFoxNFno factor TF: 1-60
2000-11-15JossNFno factor TF: 1-52