35 273 863 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 2⁷⁴

TF target 2⁷¹

P-1

B1 =	335000
B2 =	2428750

Status	Date	User	Residue	Shift	Software
Verified	2006-07-10	Tom Mossberg	D99B165AF14240CF	19777505	Windows,Prime95,v23,(aka WZ1)
Bad	2016-01-19	Torchwood Institute	54BC5129B1612F61	7622726	Windows 64-bit,Prime95,v28.5,build 2
Verified	2016-02-02	Dubslow	D99B165AF14240CF	3995786	Linux 64-bit,Prime95,v28.7,build 1

History

Date	User	Type	Result
2020-02-21	-anonymous-	NF	no factor TF: 73-74
2019-10-31	-anonymous-	NF	no factor TF: 71-72
2019-10-31	-anonymous-	NF	no factor TF: 72-73
2016-02-02	Dubslow	C-LL	D99B165AF14240CF
2016-01-19	Torchwood Institute	C-LL	54BC5129B1612F61
2014-06-27	Mark Rose	NF	no factor TF: 70-71
2014-06-15	VictordeHollander	NF	no factor TF: 69-70
2006-07-10	twmoss	C-LL	D99B165AF14240CF
2006-05-29	twmoss	NF	no factor TF: 1-69
2006-05-29	twmoss	NF-PM1	B1=335000, B2=2428750
2006-02-01	delta_t	NF	no factor TF: 1-67
2004-07-02	-anonymous-	NF	no factor TF: 1-60