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

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MnStatusDetails
71515747Factored
FactorDigitsBitsDate
493359438977087389881022807918699636737121.92015-03-08 13:59:11
P-1 factors
DateFactorB1B2
2015-03-08493359438977087389881022807918699636766000013365000
History
DateUserTypeResult
2015-03-08TheJudgerF-PM1
Factor: 4933594389770873898810228079186996367 / (P-1, B1=660000, B2=13365000, E=6)
2015-02-20chalsallNF
no factor from 2^73 to 2^74
2015-02-09BdotNF
no factor from 2^72 to 2^73
2013-07-23nate.andersNF
no factor from 2^71 to 2^72
2013-07-23nate.andersNF
no factor from 2^70 to 2^71
2012-12-12-Anonymous-NF
no factor from 2^69 to 2^70
2010-08-29GnorfeNF
no factor from 2^68 to 2^69
2010-08-29GnorfeNF
no factor from 2^67 to 2^68
2010-06-29Gymnasium_RaublingNF
no factor from 2^66 to 2^67
2010-06-25Gymnasium_RaublingNF
no factor from 2^65 to 2^66
2010-06-22{WC}PistolPeteNF
no factor from 2^64 to 2^65
2008-10-19Wojciech FlorekNF
no factor to 2^64