Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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MnStatusDetails
2519651Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
5039303722.3old
21820177671031.02008-07-14 20:24:33
45139134895773191652.02014-07-23 11:23:18
63962136812110153876392272.42024-01-26 00:25:20
ECM
DigitsB1Curves
2550000129 / 280
Estimated T-Level: 22.3
TF below 2^69 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-14Oliver Kruse336C2496E86A52CA354668653
Verified (Factored)2017-12-01Chang Chia-Tche336C2496E86A52CA3121256553
Verified2024-01-26Nesowa336C2496E86A52CA4238975053
History
DateUserTypeResult
2024-01-26Chalkey300CERT
PRP Certification
Proof certified good
2024-01-26NesowaC-PRP
M2519651/5039303/2182017767/4513913489577319/6396213681211015387639 : 336C2496E86A52CA
PRP proof power = 7
PRP: Verified
Proof certified good
2024-01-26NesowaF-ECM
Factor: 6396213681211015387639 / (ECM curve 35, B1=50000, B2=38914785, Sigma=337266881636837)
2019-07-04alpertronNF-PM1
B1=2000000, B2=60000000, E=12
2017-12-01Chang Chia-TcheC-PRP
M2519651/5039303/2182017767/4513913489577319 : 336C2496E86A52CA
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-14Oliver KruseC-PRP
M2519651/5039303/2182017767/4513913489577319 : 336C2496E86A52CA
PRP: Verified (Factored)
PRP without proof (not generated)
2014-07-23TJAOIF
Factor: 4513913489577319
2008-07-14George WoltmanF-ECM
Factor: 2182017767