Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnDetails
8330521
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
32739900442949828509432492581.4old
LL
StatusDateUserResidueShiftSoftware
Factored2000-02-16Jeff Runaldue8F010D897EC7F5E32818280Windows,Prime95,v19,(aka WV1)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-13EthanDAAB381C5E9DC889E1749704553
Verified
PRP without proof (not generated)
2020-04-23arnaudAAB381C5E9DC889E1822843253
History
DateUserTypeResult
2024-05-10Stef42NF-PM1B1=1025000, B2=1519818300
2020-04-23arnaudC-PRPM8330521/3273990044294982850943249 : AAB381C5E9DC889E
2018-10-13EthanDC-PRPM8330521/3273990044294982850943249 : AAB381C5E9DC889E
2002-11-09WayneF-PM1Factor: 3273990044294982850943249
2000-02-16-anonymous-C-LL8F010D897EC7F5E3
1999-10-07-anonymous-NFno factor TF: 1-64
1999-01-10-anonymous-NFno factor TF: 1-63
1998-09-06-anonymous-NFno factor TF: 1-62