332 232 221 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 =	1000000
B2 =	30000000

Status	Proof	Date	User	Residue	Shift	Type	Base
Reliable	PRP without proof (not generated)	2020-09-30	Xebecer	D7D8C43D8237E5__	0	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-16	Mark Rose	NF	no factor TF: 80-81
2023-03-16	Mark Rose	NF	no factor TF: 79-80
2020-09-30	Xebecer	C-PRP	D7D8C43D8237E5__
2020-08-30	Xebecer	NF-PM1	B1=1000000, B2=30000000
2020-08-06	el grocco	NF	no factor TF: 78-79
2020-05-13	Team_Inspector	NF	no factor TF: 77-78
2015-08-31	Grant McCracken	NF	no factor TF: 76-77
2011-07-20	Sebastian Hornbostel	NF	no factor TF: 75-76
2011-05-17	Christian Geschwentner	NF	no factor TF: 74-75
2011-05-02	Team_Inspector	NF	no factor TF: 73-74
2011-04-22	Christian Geschwentner	NF	no factor TF: 72-73
2010-10-18	Ethan O'Connor	NF	no factor TF: 71-72
2010-07-03	Grant McCracken	NF	no factor TF: 70-71
2009-09-02	Team_Inspector	NF	no factor TF: 69-70
2009-05-10	Team_Inspector	NF	no factor TF: 68-69