39 006 397 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 2⁷²

P-1

B1 =	510000
B2 =	10072500

Status	Date	User	Residue	Shift	Software
Bad	2009-09-30	curtisc	A8D649345E8A0129	25413352	Windows Service,Prime95,v25.8,build 1
Verified	2016-07-17	J Moseley	2FE29821603F638E	12523020	Windows,Prime95,v24 final,(aka Wc1)
Verified	2016-08-04	MadPoo 🙂	2FE29821603F638E	24943481	Windows 64-bit,Prime95,v26,(aka We4)

History

Date	User	Type	Result
2019-12-05	Architects Cubed	NF-PM1	B1=510000, B2=10072500, E=12
2019-10-11	-anonymous-	NF	no factor TF: 72-73
2016-12-03	Bruno Victal	NF	no factor TF: 71-72
2016-08-04	MadPoo 🙂	C-LL	2FE29821603F638E
2016-07-17	J Moseley	C-LL	2FE29821603F638E
2014-11-28	srow7	NF	no factor TF: 70-71
2014-11-17	Mark Rose	NF	no factor TF: 69-70
2013-09-16	Le Comte	NF	no factor TF: 68-69
2009-09-30	curtisc	C-LL	A8D649345E8A0129
2009-08-07	curtisc	NF-PM1	B1=620000
2006-09-04	-anonymous-	NF	no factor TF: 1-68
2003-09-29	-anonymous-	NF	no factor TF: 1-60
2003-09-14	-anonymous-	NF	no factor TF: 1-59