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

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MnStatusDetails
28449989Factored
FactorDigitsBitsDate
181210015845042613265298651292993.92021-03-06 09:25:54
LL
StatusDateUserResidueShift
Verified (Factored)2006-07-25Greg CiprianoF19AAF9457B643395647359
Verified (Factored)2012-11-09HaroldF19AAF9457B6433916824768
P-1 factors
DateFactorB1B2
2021-03-061812100158450426132652986512961000033356000
History
DateUserTypeResult
2021-03-06Architects CubedF-PM1
Factor: 18121001584504261326529865129 / (P-1, B1=610000, B2=33356000)
2021-03-01Sid & AndyNF
no factor from 2^72 to 2^73
2021-03-01Sid & AndyNF
no factor from 2^71 to 2^72
2021-01-11mikrNF
no factor from 2^70 to 2^71
2017-04-17ramgeisNF
no factor from 2^69 to 2^70
2012-11-09HaroldC-LL
F19AAF9457B64339
2011-11-06Carsten KossendeyNF
no factor from 2^68 to 2^69