49 862 081 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷⁵

TF target 2⁷³

P-1

B1 =	600000
B2 =	19800000

Status	Date	User	Residue	Shift	Software
Verified	2011-10-18	Templar	BB59A26359C19277	37120024	Windows 64-bit,Prime95,v26.6,build 3
Verified	2020-01-03	Dubslow	BB59A26359C19277	20592371	Linux 64-bit,Prime95,v29.8,build 6

History

Date	User	Type	Result
2024-08-18	Jarod McClintock	NF	no factor TF: 69-70
2020-01-03	Dubslow	C-LL	BB59A26359C19277
2019-12-11	Sid & Andy	NF	no factor TF: 74-75
2019-07-02	-anonymous-	NF	no factor TF: 73-74
2018-01-22	bayanne	NF	no factor TF: 72-73
2016-02-23	Mark Rose	NF	no factor TF: 51-63
2015-12-04	-anonymous-	NF	no factor TF: 71-72
2015-09-23	Mark Rose	NF	no factor TF: 70-71
2015-06-04	Architects Cubed	NF	no factor TF: 69-70
2011-10-18	Templar	C-LL	BB59A26359C19277
2009-07-04	-anonymous-	NF	no factor TF: 65-66
2009-07-04	-anonymous-	NF	no factor TF: 64-65
2009-07-04	-anonymous-	NF	no factor TF: 67-68
2009-07-04	-anonymous-	NF	no factor TF: 63-64
2009-07-04	-anonymous-	NF	no factor TF: 66-67
2009-07-04	-anonymous-	NF	no factor TF: 68-69
2009-01-21	Arjen Rodenhuis	NF	no factor TF: 68-69
2009-01-20	Arjen Rodenhuis	NF	no factor TF: 67-68
2009-01-19	Sturle Sunde	NF-PM1	B1=600000, B2=19800000
2009-01-11	Son Johan	NF	no factor TF: 66-67
2009-01-09	DaveA	NF	no factor TF: 65-66
2009-01-06	Sturle Sunde	NF	no factor TF: 64-65
2009-01-05	Sturle Sunde	NF	no factor TF: 63-64
2000-10-07	Joss	NF	no factor TF: 1-51

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