83 476 577 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 =	665000
B2 =	12302500

Status	Date	User	Residue	Shift	Software
Unverified	2018-05-18	patgie	A7E52539F3D5AD__	30582762	Windows 64-bit,Prime95,v29.4,(aka Wg4)

History

Date	User	Type	Result
2018-05-18	patgie	C-LL	A7E52539F3D5AD__
2017-09-19	bam	NF-PM1	B1=665000, B2=12302500
2017-03-17	-anonymous-	NF	no factor TF: 75-76
2017-01-19	AirSquirrels	NF	no factor TF: 74-75
2017-01-19	AirSquirrels	NF	no factor TF: 73-74
2016-12-20	cuBerBruce	NF	no factor TF: 72-73
2016-12-20	cuBerBruce	NF	no factor TF: 71-72
2013-12-16	g0b	NF	no factor TF: 70-71
2013-11-20	SMoffat	NF	no factor TF: 69-70
2013-11-16	SMoffat	NF	no factor TF: 68-69
2013-07-16	jim f in mn	NF	no factor TF: 67-68
2013-06-29	Norman Ley	NF	no factor TF: 66-67
2012-08-13	Carsten Kossendey	NF	no factor TF: 65-66
2010-12-21	Architects Cubed	NF	no factor TF: 64-65