34 402 981 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	2005-03-20	Kyle Schmidt	4EE56E2918A55188	17261256	Windows,Prime95,v23,(aka WZ1)
Verified	2015-05-19	Architects Cubed	4EE56E2918A55188	24886062	Linux 64-bit,Prime95,v27.9,build 1

History

Date	User	Type	Result
2024-06-06	LaurV	NF	no factor TF: 70-71
2024-06-06	LaurV	NF	no factor TF: 69-70
2021-10-08	Yves de Wandelaar	NF	no factor TF: 74-75
2020-03-08	-anonymous-	NF	no factor TF: 73-74
2019-11-08	-anonymous-	NF	no factor TF: 72-73
2019-10-30	Sid & Andy	NF	no factor TF: 71-72
2015-05-19	Architects Cubed	C-LL	4EE56E2918A55188
2015-01-22	HBendtz	NF-PM1	B1=500000, B2=9000000, E=12
2014-02-09	Architects Cubed	NF	no factor TF: 70-71
2014-02-09	Architects Cubed	NF	no factor TF: 69-70
2013-07-27	Torben K.	NF	no factor TF: 68-69
2005-03-20	Kyle Z Schmidt	C-LL	4EE56E2918A55188
2005-02-12	Xenon	NF	no factor TF: 1-68
2005-02-02	Xenon	NF	no factor TF: 1-68
2005-02-02	-anonymous-	NF-PM1	B1=540000
2005-01-20	-anonymous-	NF	no factor TF: 1-68
2005-01-10	Xenon	NF	no factor TF: 1-68
2004-11-03	1997rj7	NF	no factor TF: 1-62
2004-03-16	-anonymous-	NF	no factor TF: 1-61