60 110 329 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 2⁷³

P-1

B1 =	545000
B2 =	8583750

Status	Date	User	Residue	Shift	Software
Verified	2014-05-09	Kyle Z Schmidt	C4CC18A59A38AB6D	17821146	Windows 64-bit,Prime95,v27.9,build 1
Verified	2021-02-13	AuspiciousLLama	C4CC18A59A38AB6D	51708707	Windows 64-bit,Prime95,v28.10,build 1

History

Date	User	Type	Result
2021-02-13	AuspiciousLLama	C-LL	C4CC18A59A38AB6D
2016-02-23	Mark Rose	NF	no factor TF: 60-63
2014-05-09	Kyle Z Schmidt	C-LL	C4CC18A59A38AB6D
2014-01-28	ktony	NF	no factor TF: 73-74
2013-01-18	driveByUpgrades	NF-PM1	B1=545000, B2=8583750
2012-11-19	Torchwood Institute	NF	no factor TF: 72-73
2012-11-19	Torchwood Institute	NF	no factor TF: 71-72
2012-06-19	Kyle Askine	NF	no factor TF: 70-71
2011-07-10	David Campeau	NF	no factor TF: 69-70
2009-09-05	Sturle Sunde	NF	no factor TF: 68-69
2009-09-02	Sturle Sunde	NF	no factor TF: 67-68
2009-03-21	-anonymous-	NF	no factor TF: 66-67
2009-01-18	broadband	NF	no factor TF: 65-66
2008-11-29	Arjen Rodenhuis	NF	no factor TF: 64-65
2008-11-23	Son Johan	NF	no factor TF: 63-64
2003-07-13	Gordon Spence	NF	no factor TF: 1-60