82 546 097 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 =	13455000

Status	Date	User	Residue	Shift	Software
Verified	2018-08-01	patgie	F93AC9038262E856	13895212	Windows 64-bit,Prime95,v29.4,(aka Wg4)
Verified	2026-02-27	Greg	F93AC9038262E856	0	Linux64,prpll,v46386d0

History

Date	User	Type	Result
2026-02-27	Greg	C-LL	F93AC9038262E856
2025-08-24	ANONYMOUS	NF	no factor TF: 75-76
2018-08-01	patgie	C-LL	F93AC9038262E856
2017-08-02	Conductor	NF-PM1	B1=690000, B2=13455000
2016-12-17	AirSquirrels	NF	no factor TF: 74-75
2016-12-17	AirSquirrels	NF	no factor TF: 73-74
2016-11-13	Judge Hale	NF	no factor TF: 72-73
2016-11-13	Judge Hale	NF	no factor TF: 71-72
2014-03-08	Hobz	NF	no factor TF: 70-71
2013-08-15	-anonymous-	NF	no factor TF: 69-70
2013-08-12	-anonymous-	NF	no factor TF: 68-69
2013-06-13	Marcus Olds	NF	no factor TF: 67-68
2013-02-01	rjbelans	NF	no factor TF: 66-67
2012-08-06	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-18	Architects Cubed	NF	no factor TF: 64-65