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

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Exponent Range:










MnStatusDetails
168374303TF
No factors below 279
TF target 278
P-1
B1 = 1000000
B2 = 40000000
History
DateUserTypeResult
2023-03-08Tucker KaoNF
no factor from 2^78 to 2^79
2021-05-06Tucker KaoNF
no factor from 2^77 to 2^78
2021-03-05Tucker KaoNF-PM1
B1=1000000, B2=40000000, E=6
2021-02-24Tucker KaoNF
no factor from 2^76 to 2^77
2021-02-24Tucker KaoNF
no factor from 2^75 to 2^76
2021-02-24Tucker KaoNF
no factor from 2^74 to 2^75
2021-02-24Tucker KaoNF
no factor from 2^73 to 2^74
2018-03-19Ruediger EckhardNF
no factor from 2^72 to 2^73
2018-03-19Ruediger EckhardNF
no factor from 2^71 to 2^72
2018-03-19Ruediger EckhardNF
no factor from 2^70 to 2^71
2018-02-27ZenghuiNF
no factor from 2^70 to 2^71
2018-02-20ZenghuiNF
no factor from 2^69 to 2^70
2017-04-27Andrew BNF
no factor from 2^68 to 2^69
2016-03-31XZTNF
no factor from 2^67 to 2^68
2015-06-05vwflat4NF
no factor from 2^66 to 2^67
2013-03-23sasaki3NF
no factor from 2^65 to 2^66
2011-02-16dslNF
no factor from 2^64 to 2^65
2010-07-07Mr-PlonkNF
no factor from 2^63 to 2^64