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

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MnStatusDetails
90999673Factored
FactorDigitsBitsDate
19147319716099890489899212580.72014-10-23 23:48:39
P-1 factors
DateFactorB1B2
2014-10-23191473197160998904898992110400000
History
DateUserTypeResult
2014-10-23timbitF-PM1
Factor: 1914731971609989048989921 / (P-1, B1=1040000)
2014-09-15Smok_bmv NF
no factor from 2^70 to 2^71
2014-04-05SWL551NF
no factor from 2^69 to 2^70
2013-06-24Carsten KossendeyNF
no factor from 2^68 to 2^69
2011-07-27Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-12-29Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-09-16Carsten KossendeyNF
no factor from 2^65 to 2^66