332 200 507 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 2⁸¹

TF target 2⁸¹

P-1

B1 =	4090000
B2 =	4090000

Status	Date	User	Residue	Shift	Software
Unverified	2019-10-20	arnaud	B29899B9F23C03__	329596860	Windows 64-bit,Prime95,v29.4,build 7

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-09	Mark Rose	NF	no factor TF: 80-81
2023-02-09	Mark Rose	NF	no factor TF: 79-80
2019-10-20	arnaud	C-LL	B29899B9F23C03__
2012-02-07	SETIKAH	NF-PM1	B1=4090000
2011-05-14	amphoria	NF	no factor TF: 78-79
2011-05-14	amphoria	NF	no factor TF: 77-78
2011-05-14	amphoria	NF	no factor TF: 76-77
2010-07-31	seekua	NF	no factor TF: 75-76
2010-07-21	seekua	NF	no factor TF: 74-75
2009-04-17	Szabó Lóránt	NF	no factor TF: 73-74
2009-03-05	Szabó Lóránt	NF	no factor TF: 72-73
2009-02-10	Szabó Lóránt	NF	no factor TF: 71-72
2009-01-22	Szabó Lóránt	NF	no factor TF: 70-71
2008-11-07	Team_Inspector	NF	no factor TF: 69-70
2008-11-07	Team_Inspector	NF	no factor TF: 68-69