332 338 067 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 =	1565000
B2 =	354419940

Status	Proof	Date	User	Residue	Shift	Type	Base
Reliable	PRP without proof (not generated)	2019-02-17	endless_mike	4BAD57DC511D31__	0	1	3

History

Date	User	Type	Result
2024-02-26	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-04-28	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
2022-10-17	Runtime Error	NF	no factor TF: 78-79
2021-05-28	Jon Pace	NF	no factor TF: 77-78
2020-07-31	George Woltman	NF	no factor TF: 76-77
2019-02-17	endless_mike	C-PRP	4BAD57DC511D31__
2016-04-29	srow7	NF	no factor TF: 75-76
2014-04-25	Preben S	NF	no factor TF: 74-75
2014-01-30	Team_Inspector	NF	no factor TF: 73-74
2013-01-19	LaurV	NF	no factor TF: 72-73
2011-06-29	Grant McCracken	NF	no factor TF: 71-72
2011-03-23	Grant McCracken	NF	no factor TF: 70-71
2010-11-12	Sunfish	NF	no factor TF: 69-70
2010-02-24	Grant McCracken	NF	no factor TF: 68-69