37 358 039 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 =	425000
B2 =	10412500

Status	Date	User	Residue	Shift	Software
Verified	2007-04-23	Chris Marble	7DC0AE223B797C52	2609903	Linux 32-bit,Prime95,v24 middle,(aka Wb2)
Verified	2016-08-27	Dubslow	7DC0AE223B797C52	25786479	Linux 64-bit,Prime95,v28.7,build 1

History

Date	User	Type	Result
2020-02-21	-anonymous-	NF	no factor TF: 73-74
2019-10-26	-anonymous-	NF	no factor TF: 72-73
2019-10-26	-anonymous-	NF	no factor TF: 71-72
2016-08-27	Dubslow	C-LL	7DC0AE223B797C52
2014-11-24	NickOfTime	NF	no factor TF: 70-71
2014-10-27	VictordeHollander	NF	no factor TF: 69-70
2007-04-23	cmarble	C-LL	7DC0AE223B797C52
2007-02-06	cmarble	NF-PM1	B1=425000, B2=10412500
2007-02-05	cmarble	NF-PM1	B1=425000, B2=10412500
2007-02-05	cmarble	NF	no factor TF: 1-69
2006-04-28	Michael Hanscho	NF	no factor TF: 1-67