332 311 163 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 =	2734000
B2 =	298071930

Status	Proof	Date	User	Residue	Shift	Type	Base
Unverified	PRP without proof (not generated)	2018-07-20	tomikaa87	85E0582ABF8715__	240798884	1	3

History

Date	User	Type	Result
2025-09-16	James Heinrich	NF-PM1	B1=2734000, B2=298071930
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-12	Mark Rose	NF	no factor TF: 80-81
2018-07-20	tomikaa87	C-PRP	85E0582ABF8715__
2018-01-07	tomikaa87	NF-PM1	B1=3615000
2017-11-21	Yaroslav Berezhko	NF	no factor TF: 76-80
2015-11-02	Team_Inspector	NF	no factor TF: 75-76
2014-01-07	bwn	NF	no factor TF: 74-75
2013-07-31	Team_Inspector	NF	no factor TF: 73-74
2013-01-15	LaurV	NF	no factor TF: 72-73
2012-02-22	Grant McCracken	NF	no factor TF: 71-72
2011-06-28	Grant McCracken	NF	no factor TF: 70-71
2010-06-01	Sunfish	NF	no factor TF: 69-70
2009-08-13	Team_Inspector	NF	no factor TF: 68-69