65 149 703 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 2⁷⁴

P-1

B1 =	920000
B2 =	20930000

Status	Date	User	Residue	Shift	Software
Verified	2014-12-08	Kyle Z Schmidt	D1C611A87AD2E827	2616573	Windows 64-bit,Prime95,v28.5,build 2
Verified	2022-12-12	Ryan Propper	D1C611A87AD2E827	54068532	Linux 64-bit,Prime95,v30.7,build 9

History

Date	User	Type	Result
2024-05-26	ANONYMOUS	NF	no factor TF: 69-70
2022-12-12	Ryan Propper	C-LL	D1C611A87AD2E827
2022-03-05	tottenhoff	NF	no factor TF: 74-75
2016-03-28	Mark Rose	NF	no factor TF: 60-63
2014-12-08	Kyle Z Schmidt	C-LL	D1C611A87AD2E827
2013-12-23	Jerry Hallett	NF-PM1	B1=920000, B2=20930000, E=12
2013-12-21	Bdot	NF	no factor TF: 73-74
2013-12-18	Bdot	NF	no factor TF: 72-73
2013-11-24	RichD0	NF	no factor TF: 71-72
2013-04-19	yuma	NF	no factor TF: 70-71
2012-01-26	Richard	NF	no factor TF: 69-70
2009-12-16	Ungelovende	NF	no factor TF: 68-69
2009-04-02	NoWhereMan	NF	no factor TF: 67-68
2009-03-23	Rob_Dee	NF	no factor TF: 66-67
2009-03-22	Martin Schroeder	NF	no factor TF: 65-66
2009-03-17	Martin Schroeder	NF	no factor TF: 64-65
2009-01-07	Wojciech Florek	NF	no factor TF: 63-64
2004-03-16	1997rj7	NF	no factor TF: 1-60
2003-10-31	Gordon Spence	NF	no factor TF: 1-59