79 003 733 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 2⁷⁵

TF target 2⁷⁵

P-1

B1 =	885000
B2 =	23452500

Status	Date	User	Residue	Shift	Software
Verified	2015-11-22	Arthur Rosenthal	E00EE741AC5A3F48	44906917	Windows 64-bit,Prime95,v27.7,build 2
Verified	2025-10-14	Kamil Gorski	E00EE741AC5A3F48	61234966	Windows 64-bit,Prime95,v31.0,build 5
Verified	2025-10-21	irowiki	E00EE741AC5A3F48	74712467	Windows 64-bit,Prime95,v29.4,build 8

History

Date	User	Type	Result
2025-10-21	irowiki	C-LL	E00EE741AC5A3F48
2025-10-14	Kamil Gorski	C-LL	E00EE741AC5A3F48
2016-04-05	Mark Rose	NF	no factor TF: 63-64
2015-11-22	Arthur Rosenthal	C-LL	E00EE741AC5A3F48
2015-09-18	NickOfTime	NF	no factor TF: 74-75
2015-09-18	NickOfTime	NF	no factor TF: 73-74
2015-09-18	NickOfTime	NF	no factor TF: 72-73
2015-09-18	NickOfTime	NF	no factor TF: 71-72
2015-09-12	arnaud	NF-PM1	B1=885000, B2=23452500, E=6
2013-01-16	Charles A. Morris	NF	no factor TF: 70-71
2011-03-11	eon_blue_apocalypse	NF	no factor TF: 69-70
2011-03-06	eon_blue_apocalypse	NF	no factor TF: 68-69
2011-03-03	Fred Cirera	NF	no factor TF: 67-68
2011-02-26	Fred Cirera	NF	no factor TF: 66-67
2011-02-22	ITS	NF	no factor TF: 65-66
2010-11-24	Craig Meyers	NF	no factor TF: 64-65
2004-02-07	-anonymous-	NF	no factor TF: 1-63
2000-01-25	-anonymous-	NF	no factor TF: 1-54
1999-12-23	-anonymous-	NF	no factor TF: 1-53