82 038 163 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 =	14350000

Status	Date	User	Residue	Shift	Software
Verified	2018-02-19	-anonymous-	70F3123D6ED8657C	71990818	Windows,Prime95,v29.4,build 5
Verified	2025-11-28	Oliver Buhr	70F3123D6ED8657C	79639790	Windows 64-bit,Prime95,v30.19,build 20
Verified	2025-12-17	ANONYMOUS	70F3123D6ED8657C	14402369	Windows 64-bit,Prime95,v30.19,build 20

History

Date	User	Type	Result
2025-12-17	ANONYMOUS	C-LL	70F3123D6ED8657C
2025-11-28	Oliver Buhr	C-LL	70F3123D6ED8657C
2024-04-16	Jarod McClintock	NF	no factor TF: 75-76
2018-02-19	-anonymous-	C-LL	70F3123D6ED8657C
2016-10-23	TheJudger	NF-PM1	B1=700000, B2=14350000, E=12
2016-09-15	vats09	NF	no factor TF: 74-75
2016-09-15	vats09	NF	no factor TF: 73-74
2016-06-21	tmorrow	NF	no factor TF: 72-73
2016-06-21	tmorrow	NF	no factor TF: 71-72
2013-07-15	g0b	NF	no factor TF: 70-71
2013-06-19	-anonymous-	NF	no factor TF: 69-70
2013-06-17	sannerud.com	NF	no factor TF: 68-69
2013-06-12	sannerud.com	NF	no factor TF: 67-68
2013-01-30	rjbelans	NF	no factor TF: 66-67
2012-09-11	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-16	Architects Cubed	NF	no factor TF: 64-65