34 567 381 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite: 1 known prime factor

Trial Factored to 2⁷¹

TF target 2⁷¹

Factored

Factor	Digits	Bits	Date
414395944509553081653481	24	78.5	2015-02-11 21:52:53

P-1 factors

Date	Factors	B1	B2
2015-02-11	414395944509553081653481	500000	500000

Status	Date	User	Residue	Shift	Software
Bad	2005-11-13	Jörg Thomsen	3446CAB6F970CD43	28430428	Windows,Prime95,v23,(aka WZ1)
Factored	2006-07-10	Rhonda Robison	CBCA3474CAA70A15	4076037	Windows,Prime95,v23,(aka WZ1)
Factored	2019-02-06	MadPoo 🙂	CBCA3474CAA70A15	6131987	Windows 64-bit,Prime95,v29.4,(aka Wg4)

History

Date	User	Type	Result
2019-02-06	MadPoo 🙂	C-LL	CBCA3474CAA70A15
2015-02-11	HBendtz	F-PM1	Factor: 414395944509553081653481 / B1=500000
2014-08-24	monst	NF	no factor TF: 70-71
2014-07-06	VictordeHollander	NF	no factor TF: 69-70
2013-01-24	David Campeau	NF	no factor TF: 68-69
2006-07-10	-anonymous-	C-LL	CBCA3474CAA70A15
2005-11-13	Phantomas	C-LL	3446CAB6F970CD43
2005-09-22	Phantomas	NF	no factor TF: 1-68
2005-09-22	Phantomas	NF-PM1	B1=540000
2003-10-08	mdrg	NF	no factor TF: 1-62