41 322 157 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 2⁷⁴

TF target 2⁷²

P-1

B1 =	670011
B2 =	9380000

Status	Date	User	Residue	Shift	Software
Bad	2012-06-10	johnculpin	572FBA219A3559CB	33615725	Linux 32-bit,Prime95,v26.5,build 5
Verified	2012-06-18	kdgehman	AED5E7254AD58E3F	5689607	Windows 64-bit,Prime95,v27.3,build 1
Verified	2012-06-22	Dubslow	AED5E7254AD58E3F	6728511	Linux 64-bit,Prime95,v27.7,build 2

History

Date	User	Type	Result
2024-05-28	Naegi Makoto	NF	no factor TF: 68-69
2020-01-04	-anonymous-	NF	no factor TF: 73-74
2019-10-04	-anonymous-	NF	no factor TF: 72-73
2012-06-22	Dubslow	C-LL	AED5E7254AD58E3F
2012-06-18	kdgehman	NF	no factor TF: 71-72
2012-06-18	kdgehman	NF	no factor TF: 70-71
2012-06-18	kdgehman	NF	no factor TF: 69-70
2012-06-18	kdgehman	C-LL	AED5E7254AD58E3F
2012-06-13	Dubslow	NF-PM1	B1=670011, B2=9380000, E=12
2012-06-10	johnculpin	C-LL	572FBA219A3559CB
2012-06-06	Architects Cubed	NF	no factor TF: 68-69
2008-03-22	-anonymous-	NF-PM1	B1=670000
2007-03-20	Team Prime Rib	NF	no factor TF: 1-68
2007-03-04	ComputerraRU	NF	no factor TF: 62-63
2007-03-04	ComputerraRU	NF	no factor TF: 63-64
2007-03-04	ComputerraRU	NF	no factor TF: 64-65