332 311 211 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 PRP test says not-prime

No factors below 2⁸¹

TF target 2⁸¹

P-1

B1 =	3180000
B2 =	94605000

Status	Proof	Date	User	Residue	Shift	Type	Base
Unverified	PRP without proof (not generated)	2018-11-10	DRMEDESY	7644A85827BA5F__	184871025	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-22	Mark Rose	NF	no factor TF: 80-81
2023-03-22	Mark Rose	NF	no factor TF: 79-80
2023-01-28	Mark Rose	NF	no factor TF: 78-79
2019-09-24	Team_Inspector	NF	no factor TF: 77-78
2019-09-24	Team_Inspector	NF	no factor TF: 76-77
2018-11-10	DRMEDESY	C-PRP	7644A85827BA5F__
2018-04-09	DRMEDESY	NF-PM1	B1=3180000, B2=94605000
2015-09-06	Team_Inspector	NF	no factor TF: 75-76
2015-01-22	Team_Inspector	NF	no factor TF: 74-75
2013-07-31	Team_Inspector	NF	no factor TF: 73-74
2013-01-15	LaurV	NF	no factor TF: 72-73
2012-02-24	Grant McCracken	NF	no factor TF: 71-72
2011-06-19	Grant McCracken	NF	no factor TF: 70-71
2010-06-01	Sunfish	NF	no factor TF: 69-70
2009-08-13	Team_Inspector	NF	no factor TF: 68-69