30 745 147 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	2006-03-28	Ahmer Ali	ACE4AAADF65EB45D	16067039	Windows,Prime95,v23,NT service,(aka WZ5)
Verified	2013-11-12	Dubslow	ACE4AAADF65EB45D	25362982	Linux 64-bit,Prime95,v27.9,build 1

History

Date	User	Type	Result
2020-01-16	Architects Cubed	NF-PM1	B1=530000, B2=10467500
2019-12-13	-anonymous-	NF	no factor TF: 71-72
2019-12-13	-anonymous-	NF	no factor TF: 72-73
2018-04-11	ramgeis	NF	no factor TF: 70-71
2013-11-12	Dubslow	C-LL	ACE4AAADF65EB45D
2013-03-19	monst	NF	no factor TF: 69-70
2012-04-15	bcp19	NF	no factor TF: 68-69
2006-03-28	ahmerali	C-LL	ACE4AAADF65EB45D
2006-03-01	ahmerali	NF	no factor TF: 1-68
2006-03-01	ahmerali	NF-PM1	B1=305000, B2=2821250
2005-08-16	-anonymous-	NF	no factor TF: 1-67
2003-08-08	AxelFox	NF	no factor TF: 1-60
2000-11-15	Joss	NF	no factor TF: 1-52