35 550 253 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	2006-08-14	Cyrus Elworth	0FF3E1B9D1B88289	27531585	Windows,Prime95,v24 final,(aka Wc1)
Verified	2016-03-06	Dubslow	0FF3E1B9D1B88289	27663437	Linux 64-bit,Prime95,v28.7,build 1

History

Date	User	Type	Result
2024-05-29	Chuck	NF	no factor TF: 68-69
2020-12-26	-anonymous-	NF	no factor TF: 74-75
2020-03-19	-anonymous-	NF	no factor TF: 73-74
2019-11-08	-anonymous-	NF	no factor TF: 71-72
2019-11-08	-anonymous-	NF	no factor TF: 72-73
2016-03-06	Dubslow	C-LL	0FF3E1B9D1B88289
2015-05-17	HBendtz	NF-PM1	B1=500000, B2=9000000, E=12
2014-08-23	NickOfTime	NF	no factor TF: 70-71
2014-08-23	NickOfTime	NF	no factor TF: 69-70
2013-03-17	Carsten Kossendey	NF	no factor TF: 68-69
2012-03-31	Serge Batalov	NF	no factor TF: 67-68
2006-08-14	-anonymous-	C-LL	0FF3E1B9D1B88289
2006-07-25	-anonymous-	NF-PM1	B1=615000
2006-02-01	HBendtz	NF	no factor TF: 1-67
2004-07-26	AxelFox	NF	no factor TF: 1-60