86 168 333 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 =	700000
B2 =	13650000

Status	Date	User	Residue	Shift	Software
Verified	2019-03-25	-anonymous-	77E21B0132A51C96	36998594	Windows 64-bit,Prime95,v29.4,build 8
Verified	2025-01-27	Jungle Murzik	77E21B0132A51C96	11541663	Windows 64-bit,Prime95,v30.19,build 20

History

Date	User	Type	Result
2025-01-27	Jungle Murzik	C-LL	77E21B0132A51C96
2019-03-25	-anonymous-	C-LL	77E21B0132A51C96
2018-02-24	arnaud	NF-PM1	B1=700000, B2=13650000, E=6
2018-01-11	RichD0	NF	no factor TF: 75-76
2017-12-13	Brian Beuning	NF	no factor TF: 74-75
2017-05-25	-anonymous-	NF	no factor TF: 73-74
2017-03-31	Judge Hale	NF	no factor TF: 71-72
2017-03-31	Judge Hale	NF	no factor TF: 72-73
2013-11-14	PascalBieri	NF	no factor TF: 70-71
2013-03-03	SMoffat	NF	no factor TF: 69-70
2013-03-02	SMoffat	NF	no factor TF: 68-69
2013-03-02	SMoffat	NF	no factor TF: 67-68
2013-03-01	SMoffat	NF	no factor TF: 66-67
2011-03-04	Michael C	NF	no factor TF: 65-66
2010-11-20	Architects Cubed	NF	no factor TF: 64-65