332 347 397 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 =	3145000
B2 =	83342500

Status	Proof	Date	User	Residue	Shift	Type	Base
Reliable	PRP without proof (not generated)	2021-03-20	billymac00	06E8D464E1807A__	223316806	1	3

History

Date	User	Type	Result
2024-03-05	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-29	Mark Rose	NF	no factor TF: 80-81
2023-03-29	Mark Rose	NF	no factor TF: 79-80
2023-01-25	Mark Rose	NF	no factor TF: 78-79
2022-05-02	Jon Pace	NF	no factor TF: 77-78
2022-04-28	bayanne	NF	no factor TF: 76-77
2021-03-20	billymac00	C-PRP	06E8D464E1807A__
2019-09-14	billymac00	NF-PM1	B1=3145000, B2=83342500
2016-05-03	srow7	NF	no factor TF: 75-76
2014-05-01	Preben S	NF	no factor TF: 74-75
2014-03-24	Phantomas	NF	no factor TF: 73-74
2013-01-20	LaurV	NF	no factor TF: 72-73
2012-10-29	Grant McCracken	NF	no factor TF: 71-72
2011-03-03	Grant McCracken	NF	no factor TF: 70-71
2010-12-31	Sunfish	NF	no factor TF: 69-70
2010-04-15	Sunfish	NF	no factor TF: 68-69