332 671 223 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 =	3075000
B2 =	85331250

Status	Proof	Date	User	Residue	Shift	Type	Base
Reliable	PRP without proof (not generated)	2021-11-13	DRMEDESY	55B6B9EA731EF1__	76649599	1	3

History

Date	User	Type	Result
2023-03-25	Mark Rose	NF	no factor TF: 80-81
2023-03-12	Mark Rose	NF	no factor TF: 79-80
2023-02-26	Mark Rose	NF	no factor TF: 78-79
2023-02-26	Mark Rose	NF	no factor TF: 77-78
2021-11-13	DRMEDESY	C-PRP	55B6B9EA731EF1__
2021-04-24	DRMEDESY	NF-PM1	B1=3075000, B2=85331250
2020-10-06	Architects Cubed	NF	no factor TF: 76-77
2020-06-08	el grocco	NF	no factor TF: 75-76
2016-03-25	srow7	NF	no factor TF: 74-75
2015-07-20	James Heinrich	NF	no factor TF: 73-74
2013-09-21	america64	NF	no factor TF: 72-73
2013-03-11	LaurV	NF	no factor TF: 71-72
2013-01-30	LaurV	NF	no factor TF: 70-71
2012-07-10	LaurV	NF	no factor TF: 69-70
2012-04-12	LaurV	NF	no factor TF: 67-69
2010-11-01	Team_Inspector	NF	no factor TF: 66-67