85 684 721 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 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	690000
B2 =	13627500

Status	Date	User	Residue	Shift	Software
Verified	2019-08-17	patgie	E6BFBE2E8499D759	37582020	Windows 64-bit,Prime95,v29.8,build 3
Verified	2022-03-07	-anonymous-	E6BFBE2E8499D759	43608132	Windows 64-bit,Prime95,v30.3,build 6

History

Date	User	Type	Result
2022-03-07	-anonymous-	C-LL	E6BFBE2E8499D759
2019-08-17	patgie	C-LL	E6BFBE2E8499D759
2019-04-28	ATH	NF	no factor TF: 1-63
2019-04-28	ATH	NF	no factor TF: 63-64
2018-02-02	Oliver Kruse	NF-PM1	B1=690000, B2=13627500, E=12
2017-10-08	TheJudger	NF	no factor TF: 75-76
2017-10-02	Brian Beuning	NF	no factor TF: 74-75
2017-04-28	-anonymous-	NF	no factor TF: 73-74
2017-03-05	Judge Hale	NF	no factor TF: 72-73
2017-03-05	Judge Hale	NF	no factor TF: 71-72
2013-08-15	tmorrow	NF	no factor TF: 70-71
2013-06-26	ichiichi	NF	no factor TF: 69-70
2013-06-18	frmar	NF	no factor TF: 68-69
2013-06-17	g0b	NF	no factor TF: 67-68
2013-02-25	-anonymous-	NF	no factor TF: 66-67
2012-08-24	america64	NF	no factor TF: 65-66
2010-11-28	Architects Cubed	NF	no factor TF: 64-65