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

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MnStatusDetails
2147297Composite, with 5 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
30062159824.8old
18696851412634197429612270.72016-03-17 11:23:40
57174512641852310073192272.32023-07-06 08:13:31
1519561841935339416141612477.02024-12-04 09:12:12
6497636080324351354213932479.12022-08-04 02:39:58
ECM
DigitsB1Curves
2550000280 / 280
30250000167 / 640
Estimated T-Level: 26.3 ⓘ
TF below 2^82 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-10-08Oliver Kruse7E9CDA182F4FCD2A2013
Verified (Factored)2017-11-18kkmrkkblmbrbk7E9CDA182F4FCD2A2193745013
Verified (Factored)2022-08-06_p95holder_4F1B39B3BF8E003B3167363353
Verified (Factored)2022-08-09Oliver Kruse4F1B39B3BF8E003B3206525453
Verified (Factored)2023-07-13g0b4F1B39B3BF8E003B466038353
Verified2024-12-09Naegi Makoto4F1B39B3BF8E003B5143039653
P-1 factors
DateFactorB1B2
2016-03-17186968514126341974296150000015000000
History
DateUserTypeResult
2024-12-09stenleiCERT
PRP Certification
Proof certified good
2024-12-09Naegi MakotoC-PRP
M2147297/30062159/1869685141263419742961/5717451264185231007319/151956184193533941614161/649763608032435135421393 : 4F1B39B3BF8E003B
PRP proof power = 7
PRP: Verified
Proof certified good
2024-12-04TJAOIF-ECM
Factor: 151956184193533941614161 / (ECM curve 16, B1=250000, B2=251325195, Edwards Sigma=1729429458252043)
2023-07-13deangramCERT
PRP Certification
Proof certified good
2023-07-13g0bC-PRP
M2147297/30062159/1869685141263419742961/649763608032435135421393/5717451264185231007319 : 4F1B39B3BF8E003B
PRP proof power = 7
PRP: Verified (Factored)
Proof certified good
2023-07-06debrouxlF-ECM
Factor: 5717451264185231007319 / (ECM curve 47, B1=50000, B2=6500000, Sigma=8352700776911891)
2022-08-09curtiscCERT
PRP Certification
Proof certified good
2022-08-09Oliver KruseC-PRP
M2147297/30062159/1869685141263419742961/649763608032435135421393 : 4F1B39B3BF8E003B
PRP proof power = 7
PRP: Verified (Factored)
Proof certified good
2022-08-06_p95holder_C-PRP
M2147297/30062159/1869685141263419742961/649763608032435135421393 : 4F1B39B3BF8E003B
PRP: Verified (Factored)
PRP without proof (not generated)
2022-08-04_p95holder_F-ECM
Factor: 649763608032435135421393 / (ECM curve 7, B1=50000, B2=5000000)
2017-11-18kkmrkkblmbrbkC-PRP
M2147297/30062159/1869685141263419742961 : 7E9CDA182F4FCD2A
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-08Oliver KruseC-PRP
M2147297/30062159/1869685141263419742961 : 7E9CDA182F4FCD2A
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronF-PM1
Factor: 1869685141263419742961 / (P-1, B1=500000, B2=15000000, E=12)