33 999 481 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
2064428309199890505593	22	70.8	2014-05-13 16:50:24

Status	Date	User	Residue	Shift	Software
Factored	2004-09-16	Kelly Kelley	F036D8A58380D06C	6288688	Windows,Prime95,v23,(aka WZ1)
Factored	2005-10-04	Kyle Schmidt	145B9C78F1E58B5C	30698817	Windows,Prime95,v23,(aka WZ1)
Factored	2019-02-04	MadPoo 🙂	53995AD931DBCE51	33172627	Windows 64-bit,Prime95,v29.4,(aka Wg4)

History

Date	User	Type	Result
2024-05-21	James Heinrich	NF	no factor TF: 68-69
2022-06-11	masser	F	Factor: 2064428309199890505593 / TF: 70-71
2019-02-04	MadPoo 🙂	C-LL	53995AD931DBCE51
2014-05-13	Axelsson	F	Factor: 2064428309199890505593 / TF: 70-71*
2013-08-21	Le Comte	NF	no factor TF: 69-70
2012-12-20	Carsten Kossendey	NF	no factor TF: 68-69
2005-10-04	Kyle Z Schmidt	C-LL	145B9C78F1E58B5C
2004-09-16	Kprime	C-LL	F036D8A58380D06C
2004-06-21	Kprime	NF	no factor TF: 1-68
2004-06-21	Kprime	NF-PM1	B1=390000, B2=9555000