69 892 819 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷⁶

TF target 2⁷⁴

P-1

B1 =	730000
B2 =	17337500

Status	Date	User	Residue	Shift	Software
Bad	2016-05-01	vats09	CF8859D1BF2D51D6	34948382	CUDALucas v2.05.1
Verified	2016-11-28	endless_mike	6FDBC5DF1FAF394A	8877814	Linux 64-bit,Prime95,v28.9,build 2
Verified	2017-01-13	Mark Rose	6FDBC5DF1FAF394A	241842	Linux 64-bit,Prime95,v28.10,build 1

History

Date	User	Type	Result
2024-06-15	LaurV	NF	no factor TF: 70-71
2024-06-15	LaurV	NF	no factor TF: 69-70
2020-05-30	-anonymous-	NF	no factor TF: 75-76
2017-01-13	Mark Rose	C-LL	6FDBC5DF1FAF394A
2016-11-28	endless_mike	C-LL	6FDBC5DF1FAF394A
2016-05-01	vats09	C-LL	CF8859D1BF2D51D6
2016-04-26	ktony	NF	no factor TF: 74-75
2016-03-30	Mark Rose	NF	no factor TF: 62-64
2014-10-28	brilong	NF	no factor TF: 73-74
2014-04-20	chalsall	NF	no factor TF: 72-73
2014-04-15	timc995	NF-PM1	B1=730000, B2=17337500, E=12
2014-01-05	bayanne	NF	no factor TF: 71-72
2013-09-18	Architects Cubed	NF	no factor TF: 70-71
2013-09-18	Architects Cubed	NF	no factor TF: 69-70
2010-03-07	Sturle Sunde	NF	no factor TF: 68-69
2010-03-06	-anonymous-	NF	no factor TF: 67-68
2010-03-04	ctBuckweed	NF	no factor TF: 66-67
2010-02-23	ctBuckweed	NF	no factor TF: 65-66
2010-02-20	Sturle Sunde	NF	no factor TF: 64-65
2003-10-23	-anonymous-	NF	no factor TF: 1-62
2000-09-15	Joss	NF	no factor TF: 1-56

Username
Password