37 830 997 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 =	355000
B2 =	6922500

Status	Date	User	Residue	Shift	Software
Verified	2013-06-05	ATH	2CF42844D9F0C269	37709369	Windows 64-bit,Prime95,v27.7,build 2
Verified	2015-06-01	UHStudent	2CF42844D9F0C269	28611456	Windows 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2024-05-30	Chuck	NF	no factor TF: 68-69
2019-08-06	James Heinrich	NF-PM1	B1=355000, B2=6922500, E=12
2016-06-05	Bruno Victal	NF	no factor TF: 73-74
2016-06-05	Bruno Victal	NF	no factor TF: 72-73
2016-06-05	Bruno Victal	NF	no factor TF: 71-72
2015-06-01	UHStudent	C-LL	2CF42844D9F0C269
2014-08-09	Architects Cubed	NF	no factor TF: 70-71
2014-08-09	Architects Cubed	NF	no factor TF: 69-70
2013-08-24	Carsten Kossendey	NF	no factor TF: 68-69
2013-06-05	ATH	C-LL	2CF42844D9F0C269
2008-02-03	-anonymous-	C-LL	00000000000002__
2007-10-29	-anonymous-	NF-PM1	B1=605000
2006-06-13	Devin Campbell	NF	no factor TF: 1-68