34 942 183 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 2⁷⁵

TF target 2⁷¹

P-1

B1 =	500000
B2 =	9000000

Status	Date	User	Residue	Shift	Software
Verified	2005-12-24	William A. Staffen	F3AA56740ECC656C	6301641	Windows,Prime95,v23,(aka WZ1)
Verified	2015-09-29	Dubslow	F3AA56740ECC656C	2940642	Linux 64-bit,Prime95,v28.6,build 1

History

Date	User	Type	Result
2024-07-20	Jarod McClintock	NF	no factor TF: 69-70
2020-12-11	-anonymous-	NF	no factor TF: 74-75
2020-03-19	-anonymous-	NF	no factor TF: 73-74
2019-11-02	-anonymous-	NF	no factor TF: 72-73
2019-11-02	-anonymous-	NF	no factor TF: 71-72
2015-09-29	Dubslow	C-LL	F3AA56740ECC656C
2015-05-24	HBendtz	NF-PM1	B1=500000, B2=9000000, E=12
2014-04-29	Devin	NF	no factor TF: 70-71
2014-04-27	Architects Cubed	NF	no factor TF: 69-70
2013-08-03	Le Comte	NF	no factor TF: 68-69
2005-12-24	Bill Staffen	C-LL	F3AA56740ECC656C
2005-11-27	Bill Staffen	NF-PM1	B1=540000
2005-11-27	Bill Staffen	NF	no factor TF: 1-68
2005-10-18	-anonymous-	NF	no factor TF: 1-67