Marin Mersenne 2^P-1
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MnStatusDetails
27602621Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
2010342896164881862318998792787.42025-08-08 11:29:34
LL
StatusDateUserResidueShift
Verified (Factored)2005-08-01Andrea MolteniDAB80512641B046A12217119
Verified (Factored)2012-02-23-Anonymous-DAB80512641B046A3591669
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2025-08-08Jason LynchE09B49812A0D359212105842953
P-1 factors
DateFactorB1B2
2025-08-0820103428961648818623189987912010002138638320
History
DateUserTypeResult
2025-08-08Fabrice BelletCERT
PRP Certification
Proof certified good
2025-08-08Jason LynchC-PRP
M27602621/201034289616488186231899879 : E09B49812A0D3592
PRP proof power = 9
PRP: Verified
Proof certified good
2025-08-08Jason LynchF-PM1
Factor: 201034289616488186231899879 / (P-1, B1=1201000, B2=2138638320)
2024-05-16James HeinrichNF
no factor from 2^68 to 2^69
2022-12-01Naegi MakotoNF
no factor from 2^72 to 2^73
2020-10-11-Anonymous-NF
no factor from 2^71 to 2^72
2020-10-11-Anonymous-NF
no factor from 2^70 to 2^71
2017-04-12ramgeisNF
no factor from 2^69 to 2^70
2012-02-23-Anonymous-C-LL
DAB80512641B046A
2012-02-07Carsten KossendeyNF
no factor from 2^68 to 2^69
2011-09-05Eric ChristensonNF
no factor from 2^67 to 2^68