83 360 873 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime

No factors below 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	368000
B2 =	58696050

Status	Date	User	Residue	Shift	Software
Unverified	2019-02-24	TravisJank	BF020B5715DEC1__	23051787	Windows 64-bit,Prime95,v29.4,build 8

History

Date	User	Type	Result
2023-03-09	Mark Rose	NF-PM1	B1=368000, B2=58696050
2019-02-24	TravisJank	C-LL	BF020B5715DEC1__
2019-02-04	ATH	NF	no factor TF: 1-63
2019-02-04	ATH	NF	no factor TF: 63-64
2017-04-01	Judge Hale	NF-PM1	B1=765000
2017-02-26	electron1897	NF	no factor TF: 75-76
2016-12-22	-anonymous-	NF	no factor TF: 74-75
2016-12-21	-anonymous-	NF	no factor TF: 73-74
2016-12-21	-anonymous-	NF	no factor TF: 72-73
2016-12-21	-anonymous-	NF	no factor TF: 71-72
2014-08-12	NoWhereMan	NF	no factor TF: 70-71
2013-08-02	Per Jessen	NF	no factor TF: 69-70
2013-06-22	GrunwalderGIMP	NF	no factor TF: 68-69
2013-06-21	GrunwalderGIMP	NF	no factor TF: 67-68
2013-02-19	SMoffat	NF	no factor TF: 66-67
2012-08-13	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-19	Architects Cubed	NF	no factor TF: 64-65