34 961 837 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	2006-05-29	Alex and Nick Myrman	FB0963071C9F7757	9416497	Linux 32-bit,Prime95,v24 final,(aka Wc2)
Verified	2015-12-01	Dubslow	FB0963071C9F7757	26728610	Linux 64-bit,Prime95,v28.7,build 1

History

Date	User	Type	Result
2024-05-21	James Heinrich	NF	no factor TF: 68-69
2020-12-12	-anonymous-	NF	no factor TF: 74-75
2020-02-29	-anonymous-	NF	no factor TF: 73-74
2019-11-08	-anonymous-	NF	no factor TF: 72-73
2019-11-08	-anonymous-	NF	no factor TF: 71-72
2015-12-01	Dubslow	C-LL	FB0963071C9F7757
2015-05-27	HBendtz	NF-PM1	B1=500000, B2=9000000, E=12
2014-05-07	Gordon Spence	NF	no factor TF: 70-71
2014-05-02	bayanne	NF	no factor TF: 69-70
2012-09-10	Carsten Kossendey	NF	no factor TF: 68-69
2012-02-20	Serge Batalov	NF	no factor TF: 67-68
2009-02-11	-anonymous-	NF-PM1	B1=605000
2006-05-29	-anonymous-	C-LL	FB0963071C9F7757
2006-02-01	-anonymous-	NF	no factor TF: 1-67
2005-12-12	-anonymous-	NF	no factor TF: 1-67