80 068 397 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 =	675000
B2 =	13162500

Status	Date	User	Residue	Shift	Software
Verified	2017-05-08	joseluismorales	7E6069870BFBF653	25030689	Windows 64-bit,Prime95,v26,(aka We4)
Verified	2025-10-05	John Dalbec	7E6069870BFBF653	12074341	Windows 64-bit,Prime95,v30.3,build 6

History

Date	User	Type	Result
2025-10-05	John Dalbec	C-LL	7E6069870BFBF653
2021-11-29	LordJulius	NF	no factor TF: 75-76
2017-05-08	joseluismorales	C-LL	7E6069870BFBF653
2016-12-06	Adam Buran	NF-PM1	B1=675000, B2=13162500, E=6
2016-09-15	apocalypse	NF	no factor TF: 74-75
2016-09-15	apocalypse	NF	no factor TF: 73-74
2016-09-04	Matthias Wurtinger	NF	no factor TF: 72-73
2014-11-09	garo	NF	no factor TF: 71-72
2014-08-04	Ordinalux Inc.	NF	no factor TF: 70-71
2011-03-19	ANONYMOUS	NF	no factor TF: 69-70
2011-03-01	-anonymous-	NF	no factor TF: 68-69
2011-02-22	-anonymous-	NF	no factor TF: 67-68
2011-02-21	Son Johan	NF	no factor TF: 66-67
2011-02-14	linded	NF	no factor TF: 65-66
2010-12-02	Architects Cubed	NF	no factor TF: 64-65