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

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Exponent Range:





MnDetails
8459573
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
1444360930960791547.0old
175316504406242436472063.92017-06-13 11:12:02
1449565986198351723672167.02021-02-16 09:15:50
9498678581036657730794392479.72024-05-27 16:47:51
P-1 factors
DateFactorsB1B2
2024-05-27949867858103665773079439
40000004000000
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
PRP without proof (not generated)
2018-10-30rucio29E4BD5F300FE4D12576723253
Factored
PRP without proof (not generated)
2020-06-08arnaud29E4BD5F300FE4D12293437653
Factored
Certified Good
2021-02-18LaurV29E4BD5F300FE4D13512986153
Verified
Certified Good
2024-06-03Perig29E4BD5F300FE4D146638053
History
DateUserTypeResult
2025-03-23beepNF-PM1B1=4800000, B2=8597739150
2024-06-03John AireyCERT
Proof certified good
2024-06-03PerigC-PRPM8459573/144436093096079/17531650440624243647/144956598619835172367/949867858103665773079439 : 29E4BD5F300FE4D1
Proof Certified Good

Proof Power: 8

2024-05-27Stef42F-PM1Factor: 949867858103665773079439 / B1=4000000
2022-04-10James HeinrichNFno factor TF: 65-66
2022-04-10James HeinrichNFno factor TF: 64-65
2022-04-09LordJuliusNFno factor TF: 64-65
2022-04-09LordJuliusNFno factor TF: 65-66
2021-02-18PrimeNLCERT
Proof certified good
2021-02-18LaurVC-PRPM8459573/144436093096079/17531650440624243647/144956598619835172367 : 29E4BD5F300FE4D1
Proof Certified Good

Proof Power: 8

2021-02-16TJAOIFFactor: 144956598619835172367
2020-06-08arnaudC-PRPM8459573/144436093096079/17531650440624243647 : 29E4BD5F300FE4D1
2018-10-30rucioC-PRPM8459573/144436093096079/17531650440624243647 : 29E4BD5F300FE4D1
2017-06-13TJAOIFFactor: 17531650440624243647