332 287 519 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime

No factors below 2⁸¹

TF target 2⁸¹

P-1

B1 =	2860000
B2 =	75075000

Status	Proof	Date	User	Residue	Shift	Type	Base
Reliable	PRP without proof (not generated)	2020-11-13	Simon Josefsson	BC7E887471000A__	260566000	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-21	Mark Rose	NF	no factor TF: 80-81
2023-03-21	Mark Rose	NF	no factor TF: 79-80
2020-11-13	Simon Josefsson	C-PRP	BC7E887471000A__
2020-09-15	Simon Josefsson	NF-PM1	B1=2860000, B2=75075000
2020-08-24	el grocco	NF	no factor TF: 78-79
2020-07-27	Team_Inspector	NF	no factor TF: 77-78
2018-07-07	Team_Inspector	NF	no factor TF: 76-77
2014-10-14	Team_Inspector	NF	no factor TF: 75-76
2013-08-22	Vaisk	NF	no factor TF: 74-75
2013-03-24	Vaisk	NF	no factor TF: 73-74
2012-11-14	Team_Inspector	NF	no factor TF: 72-73
2012-01-06	Grant McCracken	NF	no factor TF: 71-72
2011-05-13	Grant McCracken	NF	no factor TF: 70-71
2010-06-07	Sunfish	NF	no factor TF: 69-70
2009-08-04	Team_Inspector	NF	no factor TF: 68-69