332 377 273 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 =	1565000
B2 =	354419940

Status	Proof	Date	User	Residue	Shift	Type	Base
Unverified	PRP without proof (not generated)	2019-12-11	Xebecer	91A9558B77F937__	0	4	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-05-12	Mark Rose	NF-PM1	B1=1565000, B2=354419940
2023-02-16	Mark Rose	NF	no factor TF: 80-81
2023-02-16	Mark Rose	NF	no factor TF: 79-80
2022-12-31	Mark Rose	NF	no factor TF: 78-79
2021-06-18	Jon Pace	NF	no factor TF: 77-78
2020-08-02	el grocco	NF	no factor TF: 76-77
2019-12-11	Xebecer	C-PRP	91A9558B77F937__
2017-04-09	Team_Inspector	NF	no factor TF: 75-76
2015-05-20	srow7	NF	no factor TF: 74-75
2014-12-17	Jacques MOLNE	NF	no factor TF: 73-74
2013-01-23	LaurV	NF	no factor TF: 72-73
2011-07-08	Grant McCracken	NF	no factor TF: 71-72
2011-02-08	Grant McCracken	NF	no factor TF: 70-71
2010-07-16	Grant McCracken	NF	no factor TF: 69-70
2010-03-23	Grant McCracken	NF	no factor TF: 68-69