34 942 217 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 =	420000
B2 =	8610000

Status	Date	User	Residue	Shift	Software
Verified	2006-04-14	Alex and Nick Myrman	5A6D9882F3EB71F8	5874741	Linux 32-bit,Prime95,v24 final,(aka Wc2)
Verified	2015-09-28	Dubslow	5A6D9882F3EB71F8	17993021	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: 71-72
2019-11-02	-anonymous-	NF	no factor TF: 72-73
2015-09-28	Dubslow	C-LL	5A6D9882F3EB71F8
2014-04-29	Devin	NF	no factor TF: 70-71
2014-04-27	Architects Cubed	NF	no factor TF: 69-70
2012-02-15	Craig Meyers	NF	no factor TF: 67-69
2006-04-14	-anonymous-	C-LL	5A6D9882F3EB71F8
2005-11-27	-anonymous-	NF-PM1	B1=420000, B2=8610000
2005-10-18	-anonymous-	NF	no factor TF: 1-67