332 329 441 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 =	2625000
B2 =	53812500

Status	Proof	Date	User	Residue	Shift	Type	Base
Reliable	PRP without proof (not generated)	2020-10-21	zeus	9C9FD913D2F504__	137347189	1	3

History

Date	User	Type	Result
2024-02-23	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-13	Mark Rose	NF	no factor TF: 80-81
2020-10-21	zeus	C-PRP	9C9FD913D2F504__
2020-05-21	zeus	NF-PM1	B1=2625000, B2=53812500
2016-04-17	dh1	NF	no factor TF: 79-80
2016-04-17	dh1	NF	no factor TF: 78-79
2016-04-17	dh1	NF	no factor TF: 77-78
2016-04-17	dh1	NF	no factor TF: 76-77
2016-03-24	Team_Inspector	NF	no factor TF: 75-76
2014-04-20	Preben S	NF	no factor TF: 74-75
2013-11-23	Team_Inspector	NF	no factor TF: 73-74
2013-01-18	LaurV	NF	no factor TF: 72-73
2012-07-25	Team_Inspector	NF	no factor TF: 71-72
2011-04-26	Grant McCracken	NF	no factor TF: 70-71
2010-12-21	Sunfish	NF	no factor TF: 69-70
2010-04-09	Grant McCracken	NF	no factor TF: 68-69