332 819 437 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 =	1900000
B2 =	400238370

Status	Proof	Date	User	Residue	Shift	Type	Base
Unverified	PRP without proof (not generated)	2019-09-09	Xebecer	A781A3DFE499D7__	0	4	3

History

Date	User	Type	Result
2025-03-24	Kriesel	NF-PM1	B1=1900000, B2=400238370
2023-03-27	Mark Rose	NF	no factor TF: 80-81
2023-03-21	Mark Rose	NF	no factor TF: 79-80
2023-03-02	Mark Rose	NF	no factor TF: 78-79
2019-09-09	Xebecer	C-PRP	A781A3DFE499D7__
2019-01-22	mrmyshma	NF-PM1	B1=4305000
2019-01-03	Fredrik	NF	no factor TF: 77-78
2019-01-03	Fredrik	NF	no factor TF: 76-77
2019-01-03	Fredrik	NF	no factor TF: 75-76
2018-12-31	Luigi Morelli	NF	no factor TF: 74-75
2015-07-25	srow7	NF	no factor TF: 73-74
2015-05-12	Jacques MOLNE	NF	no factor TF: 72-73
2013-03-25	David Campeau	NF	no factor TF: 71-72
2012-10-13	kracker	NF	no factor TF: 70-71
2012-07-20	LaurV	NF	no factor TF: 69-70
2012-04-13	LaurV	NF	no factor TF: 68-69
2012-03-27	LaurV	NF	no factor TF: 67-68
2010-11-02	Architects Cubed	NF	no factor TF: 66-67