30 736 891 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 =	360000
B2 =	7650000

Status	Date	User	Residue	Shift	Software
Verified	2006-01-15	Alessandro Polverini	DF825ED20DA99CA5	13584366	Linux 32-bit,Prime95,v24 final,(aka Wc2)
Verified	2013-10-29	Dubslow	DF825ED20DA99CA5	28723434	Linux 64-bit,Prime95,v27.9,build 1

History

Date	User	Type	Result
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
2013-10-29	Dubslow	C-LL	DF825ED20DA99CA5
2013-03-16	kdgehman	NF	no factor TF: 69-70
2012-04-20	Jerry Hallett	NF	no factor TF: 68-69
2011-05-18	Ungelovende	NF	no factor TF: 67-68
2006-01-15	Dusty	C-LL	DF825ED20DA99CA5
2005-12-12	Dusty	NF-PM1	B1=360000, B2=7650000
2005-09-22	TheJudger	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