86 386 933 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 2⁷⁷

TF target 2⁷⁵

P-1

B1 =	700000
B2 =	13825000

Status	Date	User	Residue	Shift	Software
Verified	2018-10-01	-anonymous-	09052B66AA7DCE31	10854164	Windows 64-bit,Prime95,v27.9,build 1
Verified	2025-01-17	Evgeniy Zavialov	09052B66AA7DCE31	81674371	Windows 64-bit,Prime95,v30.19,build 20

History

Date	User	Type	Result
2025-01-17	Evgeniy Zavialov	C-LL	09052B66AA7DCE31
2020-05-21	-anonymous-	NF	no factor TF: 76-77
2018-10-01	-anonymous-	C-LL	09052B66AA7DCE31
2018-03-13	-anonymous-	NF-PM1	B1=700000, B2=13825000, E=12
2018-02-04	TheJudger	NF	no factor TF: 75-76
2017-04-15	Travis Glenn Russo	NF	no factor TF: 72-73
2017-04-15	Travis Glenn Russo	NF	no factor TF: 73-74
2017-04-15	Travis Glenn Russo	NF	no factor TF: 74-75
2017-04-15	Travis Glenn Russo	NF	no factor TF: 71-72
2013-03-16	BClizzle	NF	no factor TF: 70-71
2013-03-16	BClizzle	NF	no factor TF: 69-70
2013-03-16	BClizzle	NF	no factor TF: 68-69
2013-03-16	BClizzle	NF	no factor TF: 67-68
2013-03-13	wangyun183	NF	no factor TF: 66-67
2010-12-25	Michael C	NF	no factor TF: 65-66
2010-11-21	Architects Cubed	NF	no factor TF: 64-65