76 849 343 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 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	665000
B2 =	13300000

Status	Date	User	Residue	Shift	Software
Bad	2016-12-10	Xolotl	0000000000000000	59428400	Linux 64-bit,Prime95,v28.9,build 2
Verified	2016-12-13	MadPoo 🙂	33FD6F950439994B	5311084	Windows 64-bit,Prime95,v26,(aka We4)
Verified	2019-06-10	-anonymous-	33FD6F950439994B	52305424	Windows 64-bit,Prime95,v29.8,build 3

History

Date	User	Type	Result
2024-08-07	Jarod McClintock	NF	no factor TF: 73-74
2019-06-10	-anonymous-	C-LL	33FD6F950439994B
2016-12-13	MadPoo 🙂	C-LL	33FD6F950439994B
2016-12-10	Xolotl	C-LL	E699D1D073BB6D__
2016-05-01	TheJudger	NF-PM1	B1=665000, B2=13300000, E=12
2016-04-24	AirSquirrels	NF	no factor TF: 74-75
2016-04-21	Judge Hale	NF	no factor TF: 73-74
2016-04-03	Mark Rose	NF	no factor TF: 62-64
2011-07-01	DRH	NF	no factor TF: 72-73
2011-07-01	DRH	NF	no factor TF: 71-72
2011-07-01	DRH	NF	no factor TF: 70-71
2011-07-01	DRH	NF	no factor TF: 69-70
2011-07-01	DRH	NF	no factor TF: 68-69
2011-07-01	DRH	NF	no factor TF: 67-68
2010-12-22	symallad	NF	no factor TF: 66-67
2010-12-12	Craig Meyers	NF	no factor TF: 65-66
2010-12-04	mcf	NF	no factor TF: 64-65
2004-07-13	markr	NF	no factor TF: 1-62
2000-08-10	-anonymous-	NF	no factor TF: 1-53