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

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MnStatusDetails
91991083Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5158035868661091349873672478.82019-06-24 04:36:23
P-1 factors
DateFactorB1B2
2019-06-2451580358686610913498736771500012870000
History
DateUserTypeResult
2019-06-24Smok_bmv F-PM1
Factor: 515803586866109134987367 / (P-1, B1=715000, B2=12870000)
2019-04-24Luigi MorelliNF
no factor from 2^76 to 2^77
2018-12-10Strolling JellyfishNF
no factor from 2^75 to 2^76
2018-12-10Strolling JellyfishNF
no factor from 2^74 to 2^75
2018-10-16gcardonaNF
no factor from 2^73 to 2^74
2018-09-28penluNF
no factor from 2^72 to 2^73
2018-03-30Tim SorberaNF
no factor from 2^71 to 2^72
2015-08-30monstNF
no factor from 2^70 to 2^71
2015-01-09David HruskaNF
no factor from 2^69 to 2^70
2014-05-14Mark FilipskiNF
no factor from 2^68 to 2^69
2014-02-22-Anonymous-NF
no factor from 2^67 to 2^68
2014-02-04-Anonymous-NF
no factor from 2^66 to 2^67
2013-06-30David CampeauNF
no factor from 2^65 to 2^66
2011-01-08Architects CubedNF
no factor from 2^64 to 2^65