332 286 847 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)	2020-10-31	Simon Josefsson	3881FD363F8E20__	144617316	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
2020-10-31	Simon Josefsson	C-PRP	3881FD363F8E20__
2020-08-31	Simon Josefsson	NF-PM1	B1=2860000, B2=75075000
2020-08-24	el grocco	NF	no factor TF: 78-79
2020-07-21	Team_Inspector	NF	no factor TF: 77-78
2018-06-26	Team_Inspector	NF	no factor TF: 76-77
2013-07-09	blahpy	NF	no factor TF: 75-76
2013-03-06	AntonioK	NF	no factor TF: 73-75
2012-10-30	Team_Inspector	NF	no factor TF: 72-73
2012-02-26	Grant McCracken	NF	no factor TF: 71-72
2011-07-07	Grant McCracken	NF	no factor TF: 70-71
2010-06-05	Sunfish	NF	no factor TF: 69-70
2009-08-02	Team_Inspector	NF	no factor TF: 68-69