332 308 091 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 =	4660000
B2 =	4660000

Status	Proof	Date	User	Residue	Shift	Type	Base
Unverified	PRP without proof (not generated)	2019-01-25	ANONYMOUS	442D54D5D5B561__	128828227	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-22	Mark Rose	NF	no factor TF: 80-81
2023-03-22	Mark Rose	NF	no factor TF: 79-80
2023-01-26	Mark Rose	NF	no factor TF: 78-79
2021-07-19	Random GPUs	NF	no factor TF: 77-78
2019-01-25	ANONYMOUS	C-PRP	442D54D5D5B561__
2018-09-26	ANONYMOUS	NF-PM1	B1=4660000
2016-01-26	Grant McCracken	NF	no factor TF: 76-77
2015-08-23	Team_Inspector	NF	no factor TF: 75-76
2015-01-09	Team_Inspector	NF	no factor TF: 74-75
2013-03-25	ktony	NF	no factor TF: 73-74
2013-01-15	LaurV	NF	no factor TF: 72-73
2012-05-08	Grant McCracken	NF	no factor TF: 71-72
2011-04-22	Grant McCracken	NF	no factor TF: 70-71
2010-05-22	Sunfish	NF	no factor TF: 69-70
2009-08-08	Team_Inspector	NF	no factor TF: 68-69