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
399999959
Composite: proven not-prime with PRP test
No factors below 281
TF target 281
P-1
B1 = 1850000
B2 = 352710330
LL
StatusDateUserResidueShiftSoftware
Unverified2019-04-30desouki1BDEACE6449C9E__233000934Linux 64-bit,Prime95,v29.4,(aka Wg8)
PRP
StatusProofDateUserResidueShiftTypeBase
Verified
Certified Good
Power=8
2023-11-07mrh5271355D20CA0C12013
History
DateUserTypeResult
2023-11-10Naegi MakotoCERT
Proof certified good
2023-11-07mrhC-PRP5271355D20CA0C12
Proof Certified Good

Proof Power: 8

2023-03-23Mark RoseNF-PM1B1=1850000, B2=352710330
2023-02-01Mark RoseNFno factor TF: 80-81
2023-02-01Mark RoseNFno factor TF: 79-80
2023-02-01Mark RoseNFno factor TF: 78-79
2023-02-01Mark RoseNFno factor TF: 77-78
2019-04-30desoukiC-LL1BDEACE6449C9E__
2017-03-18Ducho_YYZNFno factor TF: 76-77
2014-12-06AK76NFno factor TF: 75-76
2014-12-06AK76NFno factor TF: 74-75
2014-01-09mikrNFno factor TF: 73-74
2014-01-09mikrNFno factor TF: 72-73
2014-01-09mikrNFno factor TF: 71-72
2014-01-09mikrNFno factor TF: 70-71
2014-01-09mikrNFno factor TF: 69-70
2014-01-09mikrNFno factor TF: 67-69
2010-05-01rudimeierNFno factor TF: 66-67
2010-05-01rudimeierNFno factor TF: 65-66