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
332221807
Composite: proven not-prime with PRP test
No factors below 281
TF target 281
P-1
B1 = 3000000
B2 = 79500000
PRP
StatusProofDateUserResidueShiftTypeBase
Verified
Certified Good
Power=8
2022-12-08Chelle6BEE46A5822602D713458200813
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-03-15Mark RoseNFno factor TF: 80-81
2023-03-15Mark RoseNFno factor TF: 79-80
2022-12-11Jan S.CERT
Proof certified good
2022-12-08ChelleC-PRP6BEE46A5822602D7
Proof Certified Good

Proof Power: 8

2015-06-23aurashiftNF-PM1B1=3000000, B2=79500000, E=12
2011-02-26Luigi MorelliNFno factor TF: 78-79
2011-02-26Luigi MorelliNFno factor TF: 77-78
2011-02-26Luigi MorelliNFno factor TF: 76-77
2011-02-26Luigi MorelliNFno factor TF: 75-76
2011-02-26Luigi MorelliNFno factor TF: 74-75
2010-07-25Team_InspectorNFno factor TF: 73-74
2010-07-19Team_InspectorNFno factor TF: 72-73
2009-10-28Team_InspectorNFno factor TF: 71-72
2009-08-05PJNFno factor TF: 70-71
2009-08-04Team_InspectorNFno factor TF: 69-70
2008-12-13Team_InspectorNFno factor TF: 68-69