332 288 227 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 =	5055000
B2 =	5055000

Status	Proof	Date	User	Residue	Shift	Type	Base
Unverified	PRP without proof (not generated)	2018-09-05	OriEy	C40185333A5480__	240463082	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-21	Mark Rose	NF	no factor TF: 80-81
2023-03-21	Mark Rose	NF	no factor TF: 79-80
2023-02-21	Mark Rose	NF	no factor TF: 78-79
2021-06-16	Random GPUs	NF	no factor TF: 77-78
2018-09-05	OriEy	C-PRP	C40185333A5480__
2018-07-24	Team_Inspector	NF	no factor TF: 76-77
2018-02-06	OriEy	NF-PM1	B1=5055000
2015-07-30	Team_Inspector	NF	no factor TF: 75-76
2014-10-25	Team_Inspector	NF	no factor TF: 74-75
2013-03-10	ktony	NF	no factor TF: 73-74
2012-12-08	Team_Inspector	NF	no factor TF: 72-73
2011-06-16	Grant McCracken	NF	no factor TF: 71-72
2011-04-15	Grant McCracken	NF	no factor TF: 70-71
2010-06-10	Sunfish	NF	no factor TF: 69-70
2009-08-07	Team_Inspector	NF	no factor TF: 68-69