332 420 549 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 2⁸²

TF target 2⁸¹

P-1

B1 =	8000000
B2 =	200000000

Status	Proof	Date	User	Residue	Shift	Type	Base
Reliable	PRP without proof (not generated)	2020-08-02	Runtime Error	9CABD7BC87E1FA__	228428658	1	3

History

Date	User	Type	Result
2020-08-02	Runtime Error	C-PRP	9CABD7BC87E1FA__
2020-08-02	Runtime Error	NF	no factor TF: 81-82
2020-08-02	Runtime Error	NF-PM1	B1=8000000, B2=200000000
2020-08-02	Runtime Error	NF	no factor TF: 80-81
2020-08-02	Runtime Error	NF	no factor TF: 77-78
2020-08-02	Runtime Error	NF	no factor TF: 78-79
2020-08-02	Runtime Error	NF	no factor TF: 79-80
2020-08-02	Runtime Error	NF	no factor TF: 76-77
2019-06-08	La Güira	NF	no factor TF: 75-76
2016-04-14	srow7	NF	no factor TF: 74-75
2015-02-07	Xebecer	NF	no factor TF: 73-74
2013-05-05	kracker	NF	no factor TF: 72-73
2011-05-12	rduerr	NF	no factor TF: 67-72