30 780 349 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 2⁷³

TF target 2⁷¹

P-1

B1 =	530000
B2 =	10467500

Status	Date	User	Residue	Shift	Software
Verified	2006-01-15	D. Waller	7FCFDFBECD2B5802	14429167	Windows,Prime95,v24 final,(aka Wc1)
Verified	2013-11-12	Dubslow	7FCFDFBECD2B5802	5965841	Linux 64-bit,Prime95,v27.9,build 1

History

Date	User	Type	Result
2024-06-04	LaurV	NF	no factor TF: 69-70
2020-01-13	Architects Cubed	NF-PM1	B1=530000, B2=10467500
2019-12-20	-anonymous-	NF	no factor TF: 71-72
2019-12-20	-anonymous-	NF	no factor TF: 72-73
2018-04-11	ramgeis	NF	no factor TF: 70-71
2013-11-12	Dubslow	C-LL	7FCFDFBECD2B5802
2013-01-28	Architects Cubed	NF	no factor TF: 69-70
2012-04-20	bcp19	NF	no factor TF: 68-69
2006-01-15	DrRocket	C-LL	7FCFDFBECD2B5802
2005-12-12	DrRocket	NF-PM1	B1=285000, B2=1353750
2005-09-03	-anonymous-	NF	no factor TF: 1-68
2003-08-08	AxelFox	NF	no factor TF: 1-60
2000-11-15	Joss	NF	no factor TF: 1-52