332 356 547 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)	2020-02-08	Xebecer	3BA42FC2FAC36E__	0	4	3

History

Date	User	Type	Result
2024-04-30	Grant McCracken	NF	no factor TF: 70-71
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-05-03	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
2022-12-22	Team_Inspector	NF	no factor TF: 78-79
2021-06-05	Jon Pace	NF	no factor TF: 77-78
2020-02-08	Xebecer	C-PRP	3BA42FC2FAC36E__
2019-11-28	Siarhei P. 😜	NF	no factor TF: 76-77
2016-08-26	Team_Inspector	NF	no factor TF: 75-76
2015-12-18	Team_Inspector	NF	no factor TF: 74-75
2015-01-11	Team_Inspector	NF	no factor TF: 73-74
2013-01-21	LaurV	NF	no factor TF: 72-73
2012-12-19	Grant McCracken	NF	no factor TF: 71-72
2011-02-23	Grant McCracken	NF	no factor TF: 70-71
2010-11-01	Grant McCracken	NF	no factor TF: 69-70
2010-04-30	Sunfish	NF	no factor TF: 68-69