332 347 427 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 =	1833000
B2 =	226242450

Status	Date	User	Residue	Shift	Software
Unverified	2023-05-21	Magallan3s	93B2E9E6DE9E55__	0	gpuowl,v6.11-380-g79ea0cc

History

Date	User	Type	Result
2024-03-05	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-05-26	Magallan3s	NF-PM1	B1=100000
2023-05-21	Magallan3s	C-LL	93B2E9E6DE9E55__
2023-04-26	Magallan3s	NF-PM1	B1=1833000, B2=226242450
2023-04-25	Mark Rose	NF	no factor TF: 80-81
2023-04-25	Mark Rose	NF	no factor TF: 79-80
2022-12-02	Team_Inspector	NF	no factor TF: 78-79
2022-04-06	Architects Cubed	NF	no factor TF: 77-78
2022-02-21	bayanne	NF	no factor TF: 76-77
2016-05-03	srow7	NF	no factor TF: 75-76
2014-05-01	Preben S	NF	no factor TF: 74-75
2014-03-24	Phantomas	NF	no factor TF: 73-74
2013-01-20	LaurV	NF	no factor TF: 72-73
2012-10-31	Grant McCracken	NF	no factor TF: 71-72
2011-03-04	Grant McCracken	NF	no factor TF: 70-71
2010-12-31	Sunfish	NF	no factor TF: 69-70
2010-04-15	Sunfish	NF	no factor TF: 68-69