37 713 733 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 2⁷⁴

TF target 2⁷¹

P-1

B1 =	690000
B2 =	19500000

Status	Date	User	Residue	Shift	Software
Verified	2007-04-07	C. Cooper / S. Boone	03A4974F60139A01	34445409	Windows,Prime95,v24 final,NT service,(aka Wc5)
Bad	2016-04-12	Bruno Victal	890848FA837576CE	28996774	Windows 64-bit,Prime95,v28.9,build 2
Verified	2016-04-30	riccardo uberti	03A4974F60139A01	482651	Windows 64-bit,Prime95,v28.9,build 2

History

Date	User	Type	Result
2024-05-28	Naegi Makoto	NF	no factor TF: 68-69
2016-04-30	riccardo uberti	C-LL	03A4974F60139A01
2016-04-13	riccardo uberti	NF-PM1	B1=690000, B2=19500000, E=12
2016-04-12	Bruno Victal	C-LL	890848FA837576CE
2016-04-07	Bruno Victal	NF	no factor TF: 73-74
2016-04-07	Bruno Victal	NF	no factor TF: 72-73
2016-04-07	Bruno Victal	NF	no factor TF: 71-72
2014-11-10	chalsall	NF	no factor TF: 70-71
2014-10-01	Architects Cubed	NF	no factor TF: 69-70
2013-07-27	Carsten Kossendey	NF	no factor TF: 68-69
2012-04-09	Carsten Kossendey	NF	no factor TF: 67-68
2007-04-07	curtisc	C-LL	03A4974F60139A01
2007-03-04	curtisc	NF-PM1	B1=415000, B2=3527500
2006-05-29	Gnorfe	NF	no factor TF: 1-67