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
7798621
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
46791727825.5old
648065405111135.92008-09-08 03:39:37
1274940029123888811856.82015-05-04 11:29:29
1069755642649494628812166.52020-05-13 10:17:00
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2018-05-12axn3CFDEABFEFE512AD3375018953
Factored
PRP without proof (not generated)
2019-10-05ATH3CFDEABFEFE512AD3748039053
Verified
PRP without proof (not generated)
2020-05-19AbsolutXTR3CFDEABFEFE512AD419534353
History
DateUserTypeResult
2024-02-21Stef42NF-PM1B1=2500000, B2=5111867670
2022-03-21LordJuliusNFno factor TF: 64-65
2022-03-21LordJuliusNFno factor TF: 65-66
2022-03-21LordJuliusNFno factor TF: 63-64
2020-05-19AbsolutXTRC-PRPM7798621/46791727/64806540511/127494002912388881/106975564264949462881 : 3CFDEABFEFE512AD
2020-05-13TJAOIFFactor: 106975564264949462881
2019-10-05ATHC-PRPM7798621/46791727/64806540511/127494002912388881 : 3CFDEABFEFE512AD
2018-05-12axnC-PRPM7798621/46791727/64806540511/127494002912388881 : 3CFDEABFEFE512AD
2015-05-04TJAOIFFactor: 127494002912388881
2008-09-08Will EdgingtonFFactor: 64806540511