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
10381421
Composite, with 5 known prime factors. Cofactor is composite.
Trial Factored to 269
TF target 268
Factored
FactorDigitsBitsDate
809750839929.6old
343857578930411445.02008-09-08 06:32:23
1719903622545105771857.32015-06-05 11:11:25
298984896445224822712064.72017-12-20 12:26:47
2016282688862664314412167.52022-08-10 09:34:27
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2020-05-18oodaira5DC98F166B5104EC4266943453
Factored
Certified Good
2021-02-26Oliver Kruse5DC98F166B5104EC4658614153
Verified
Certified Good
2022-08-17LordJulius5DC98F166B5104EC5656311653
History
DateUserTypeResult
2026-01-06Sid & AndyNF-PM1B1=1700000, B2=1903266750
2023-10-18James HeinrichFFactor: 201628268886266431441 / TF: 67-68
2023-01-09LordJuliusNFno factor TF: 68-69
2022-08-17Wojciech FlorekCERT
Proof certified good
2022-08-17LordJuliusC-PRPM10381421/809750839/34385757893041/171990362254510577/29898489644522482271/201628268886266431441 : 5DC98F166B5104EC
Proof Certified Good

Proof Power: 8

2022-08-12LordJuliusNFno factor TF: 65-66
2022-08-12LordJuliusNFno factor TF: 66-67
2022-08-10TJAOIFFactor: 201628268886266431441
2021-02-26GregCERT
Proof certified good
2021-02-26Oliver KruseC-PRPM10381421/809750839/34385757893041/171990362254510577/29898489644522482271 : 5DC98F166B5104EC
Proof Certified Good

Proof Power: 8

2020-05-18oodairaC-PRPM10381421/809750839/34385757893041/171990362254510577/29898489644522482271 : 5DC98F166B5104EC
2017-12-20TJAOIFFactor: 29898489644522482271
2015-06-05TJAOIFFactor: 171990362254510577
2008-09-08Will EdgingtonFFactor: 34385757893041