33 557 701 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷³

TF target 2⁷¹

P-1

B1 =	380000
B2 =	7600000

Status	Date	User	Residue	Shift	Software
Verified	2003-11-16	Marvin Ray Burns	77E7264732D2E978	28076798	Windows,Prime95,v23,(aka WZ1)
Verified	2014-11-26	Dubslow	77E7264732D2E978	31595412	Linux 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2019-11-09	-anonymous-	NF	no factor TF: 72-73
2019-09-23	Architects Cubed	NF	no factor TF: 71-72
2014-11-26	Dubslow	C-LL	77E7264732D2E978
2014-03-05	Axelsson	NF	no factor TF: 70-71
2012-12-19	garo	NF	no factor TF: 68-69
2012-12-19	garo	NF	no factor TF: 69-70
2003-11-16	Marvin Ray Burns	C-LL	77E7264732D2E978
2003-10-08	Marvin Ray Burns	NF-PM1	B1=380000, B2=7600000
2003-10-08	Marvin Ray Burns	NF	no factor TF: 1-68