25 956 701 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷⁵

TF target 2⁷⁰

P-1

B1 =	1000000
B2 =	790983270

Status	Date	User	Residue	Shift	Software
Verified	2007-02-20	S579861	D2D81CBB6B07AD64	12968259	Windows,Prime95,v23,(aka WZ1)
Verified	2007-02-20	S579860	D2D81CBB6B07AD64	12968259	Windows,Prime95,v23,(aka WZ1)
Verified	2007-02-20	Carlo Bruschini	D2D81CBB6B07AD64	12968259	Windows,Prime95,v23,(aka WZ1)
Verified	2012-04-26	Dubslow	D2D81CBB6B07AD64	0	CUDALucas v2.00a

History

Date	User	Type	Result
2024-11-05	timc995	NF-PM1	B1=1000000, B2=790983270
2021-10-17	TheJudger	NF	no factor TF: 74-75
2021-09-19	TheJudger	NF	no factor TF: 73-74
2021-08-26	TheJudger	NF	no factor TF: 72-73
2021-08-26	TheJudger	NF	no factor TF: 71-72
2021-07-24	mikr	NF	no factor TF: 70-71
2012-06-18	BloodIce	NF	no factor TF: 69-70
2012-04-26	Dubslow	C-LL	D2D81CBB6B07AD64
2012-04-19	bcp19	NF	no factor TF: 68-69
2011-11-06	Carsten Kossendey	NF	no factor TF: 67-68
2007-02-20	Carlo	NF-PM1	B1=385000
2007-02-20	Carlo	C-LL	D2D81CBB6B07AD64
2007-02-20	-anonymous-	NF-PM1	B1=385000
2007-02-20	-anonymous-	C-LL	D2D81CBB6B07AD64
2007-02-20	-anonymous-	NF-PM1	B1=385000
2007-02-20	-anonymous-	C-LL	D2D81CBB6B07AD64
2007-02-20	Carlo	C-LL	D2D81CBB6B07AD64
2007-02-20	Carlo	NF-PM1	B1=385000
2006-12-18	Carlo	C-LL	D2D81CBB6B07AD64
2006-12-18	Carlo	NF-PM1	B1=385000
2004-11-22	Carlo	C-LL	D2D81CBB6B07AD64
2004-10-03	Carlo	NF-PM1	B1=385000
2004-07-02	tsc	NF	no factor TF: 1-67
2001-08-12	Net_Force	NF	no factor TF: 1-56

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