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
332212787
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 3255000
B2 = 67541250
LL
StatusDateUserResidueShiftSoftware
Unverified2017-03-18nranksDE88FF3E788217__136231442Windows Service,Prime95,v28.9,build 2
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-11Mark RoseNFno factor TF: 80-81
2023-02-11Mark RoseNFno factor TF: 79-80
2017-03-18nranksC-LLDE88FF3E788217__
2015-10-14NRNFno factor TF: 78-79
2015-10-14NRNFno factor TF: 77-78
2011-04-25apielaNFno factor TF: 76-77
2011-03-18apielaNF-PM1B1=3255000, B2=67541250
2010-10-06apielaNFno factor TF: 75-76
2009-09-12ANONYMOUSNFno factor TF: 74-75
2009-08-25ANONYMOUSNFno factor TF: 73-74
2009-08-19ANONYMOUSNFno factor TF: 72-73
2009-02-07ANONYMOUSNFno factor TF: 71-72
2009-02-01ANONYMOUSNFno factor TF: 70-71
2009-01-30ANONYMOUSNFno factor TF: 69-70
2009-01-14Team_InspectorNFno factor TF: 68-69