35 433 221 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 2⁷³

TF target 2⁷¹

P-1

B1 =	365000
B2 =	5201250

Status	Date	User	Residue	Shift	Software
Verified	2006-07-10	Jon Pace	50C5A15F53C7D1D3	11365700	Windows,Prime95,v23,(aka WZ1)
Verified	2016-02-18	Dubslow	50C5A15F53C7D1D3	33547565	Linux 64-bit,Prime95,v28.7,build 1

History

Date	User	Type	Result
2022-09-10	Sid & Andy	NF	no factor TF: 72-73
2019-08-18	Architects Cubed	NF	no factor TF: 71-72
2016-02-18	Dubslow	C-LL	50C5A15F53C7D1D3
2014-07-24	tigreroars	NF	no factor TF: 70-71
2014-07-24	tigreroars	NF	no factor TF: 69-70
2006-07-10	Jon Pace	C-LL	50C5A15F53C7D1D3
2006-05-12	Jon Pace	NF	no factor TF: 1-69
2006-05-12	Jon Pace	NF-PM1	B1=365000, B2=5201250
2006-02-01	-anonymous-	NF	no factor TF: 1-67
2004-07-26	AxelFox	NF	no factor TF: 1-60