333 333 479 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 2⁸²

TF target 2⁸¹

P-1

B1 =	5310000
B2 =	5310000

Status	Date	User	Residue	Shift	Software
Unverified	2015-02-15	dure	FEC1ADC53BB736__	11865410	Windows 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2024-07-15	MooMoo2	NF	no factor TF: 81-82
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-05	Mark Rose	NF	no factor TF: 80-81
2023-02-05	Mark Rose	NF	no factor TF: 79-80
2023-02-05	Mark Rose	NF	no factor TF: 78-79
2023-02-05	Mark Rose	NF	no factor TF: 77-78
2015-02-15	dure	C-LL	FEC1ADC53BB736__
2013-06-01	dure	NF	no factor TF: 76-77
2013-05-23	duremar	NF-PM1	B1=5310000
2011-05-30	Sebastian Hornbostel	NF	no factor TF: 75-76
2011-05-24	Sebastian Hornbostel	NF	no factor TF: 74-75
2009-05-07	unconnected	NF	no factor TF: 73-74
2009-04-23	unconnected	NF	no factor TF: 72-73
2009-04-22	unconnected	NF	no factor TF: 71-72
2009-04-01	unconnected	NF	no factor TF: 70-71
2008-09-18	monst	NF	no factor TF: 69-70
2008-09-18	monst	NF	no factor TF: 68-69