80 577 547 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 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	710000
B2 =	14555000

Status	Date	User	Residue	Shift	Software
Verified	2018-03-13	mensasnem	CD58DAE6BA68C010	31919367	Mac OS X 64-bit,Prime95,v28.5,build 2
Verified	2022-05-13	spica	CD58DAE6BA68C010	34727	Windows 64-bit,Prime95,v30.3,build 6

History

Date	User	Type	Result
2022-05-13	spica	C-LL	CD58DAE6BA68C010
2018-03-13	mensasnem	C-LL	CD58DAE6BA68C010
2018-03-07	spica	NF	no factor TF: 75-76
2017-02-08	bam	NF-PM1	B1=710000, B2=14555000
2016-10-23	TheJudger	NF	no factor TF: 74-75
2016-10-23	TheJudger	NF	no factor TF: 73-74
2016-05-21	Bdot	NF	no factor TF: 72-73
2016-05-21	Bdot	NF	no factor TF: 71-72
2014-04-02	pdazzl	NF	no factor TF: 70-71
2011-02-02	David Hruska	NF	no factor TF: 69-70
2011-01-28	Alberto	NF	no factor TF: 68-69
2011-01-26	runesk	NF	no factor TF: 67-68
2011-01-25	runesk	NF	no factor TF: 66-67
2011-01-23	firejuggler	NF	no factor TF: 65-66
2010-12-10	Architects Cubed	NF	no factor TF: 64-65