60 612 011 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 =	560000
B2 =	10640000

Status	Date	User	Residue	Shift	Software
Verified	2014-03-28	Kyle Z Schmidt	A1A0AE4F99E6FD0B	4853795	Windows 64-bit,Prime95,v27.9,build 1
Verified	2022-02-08	-anonymous-	A1A0AE4F99E6FD0B	48589321	Windows 64-bit,Prime95,v29.4,build 8

History

Date	User	Type	Result
2022-02-08	-anonymous-	C-LL	A1A0AE4F99E6FD0B
2016-02-23	Mark Rose	NF	no factor TF: 60-63
2014-03-28	Kyle Z Schmidt	C-LL	A1A0AE4F99E6FD0B
2014-03-02	The Mawn	NF	no factor TF: 73-74
2013-05-05	Craig Meyers	NF-PM1	B1=560000, B2=10640000
2012-12-07	Torchwood Institute	NF	no factor TF: 72-73
2012-12-07	Torchwood Institute	NF	no factor TF: 71-72
2012-12-07	Torchwood Institute	NF	no factor TF: 70-71
2011-07-16	TheJudger	NF	no factor TF: 69-70
2009-06-28	Sturle Sunde	NF	no factor TF: 68-69
2009-02-02	PrimeCruncher	NF	no factor TF: 67-68
2009-01-28	kkitzhaber	NF	no factor TF: 66-67
2009-01-28	Spielauer	NF	no factor TF: 65-66
2009-01-26	Spielauer	NF	no factor TF: 64-65
2009-01-25	Spielauer	NF	no factor TF: 63-64
2003-08-25	Gordon Spence	NF	no factor TF: 1-60
2003-06-01	Gordon Spence	NF	no factor TF: 1-59