332 249 279 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 =	3910000
B2 =	3910000

Status	Proof	Date	User	Residue	Shift	Type	Base
Reliable	PRP without proof (not generated)	2021-09-24	mashisu	4FF43D58C527C3__	238509842	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-19	Mark Rose	NF	no factor TF: 80-81
2023-03-19	Mark Rose	NF	no factor TF: 79-80
2021-09-24	mashisu	C-PRP	4FF43D58C527C3__
2020-08-05	mashisu	NF-PM1	B1=3910000
2013-11-22	Bill Staffen	NF	no factor TF: 78-79
2013-11-21	Bill Staffen	NF	no factor TF: 77-78
2013-10-27	Bill Staffen	NF	no factor TF: 76-77
2013-10-23	Bill Staffen	NF	no factor TF: 75-76
2013-05-22	kracker	NF	no factor TF: 74-75
2012-11-13	Team_Inspector	NF	no factor TF: 73-74
2011-04-26	Christian Geschwentner	NF	no factor TF: 72-73
2009-05-01	James Heinrich	NF	no factor TF: 71-72
2009-05-01	James Heinrich	NF	no factor TF: 70-71
2009-04-24	Team_Inspector	NF	no factor TF: 69-70
2009-02-25	Team_Inspector	NF	no factor TF: 68-69