69 129 889 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	715000
B2 =	15908750

Status	Date	User	Residue	Shift	Software
Verified	2014-09-19	curtisc	DB3958B317A19D88	13870553	Windows Service,Prime95,v28.5,build 2
Verified	2024-09-25	Cong Shengzhuo	DB3958B317A19D88	20965840	Windows 64-bit,Prime95,v30.19,build 20

History

Date	User	Type	Result
2024-09-25	Cong Shengzhuo	C-LL	DB3958B317A19D88
2019-06-03	Nesowa	NF	no factor TF: 74-75
2016-03-30	Mark Rose	NF	no factor TF: 63-64
2016-03-29	Mark Rose	NF	no factor TF: 64-65
2014-09-19	curtisc	C-LL	DB3958B317A19D88
2014-06-23	The Mawn	NF	no factor TF: 73-74
2014-06-21	Bdot	NF	no factor TF: 72-73
2014-03-29	Gordon Spence	NF-PM1	B1=715000, B2=15908750
2014-01-31	garo	NF	no factor TF: 71-72
2012-09-28	Bold_Seeker	NF	no factor TF: 70-71
2012-03-31	Stefan	NF	no factor TF: 69-70
2010-02-03	root_slater	NF	no factor TF: 68-69
2008-06-01	James Heinrich	NF	no factor TF: 67-68
2008-05-29	Sturle Sunde	NF	no factor TF: 66-67
2008-05-28	Sturle Sunde	NF	no factor TF: 65-66
2004-02-14	-anonymous-	NF	no factor TF: 1-63
2003-11-28	-anonymous-	NF	no factor TF: 1-61
2001-06-03	Joss	NF	no factor TF: 1-57
2000-10-15	Joss	NF	no factor TF: 1-54
2000-10-15	Joss	NF	no factor TF: 1-56

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