332 363 531 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 =	4660000
B2 =	4660000

Status	Proof	Date	User	Residue	Shift	Type	Base
Reliable	PRP without proof (not generated)	2020-08-03	mashisu	BA79C430E87775__	281190531	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-31	Mark Rose	NF	no factor TF: 80-81
2023-03-31	Mark Rose	NF	no factor TF: 79-80
2023-01-28	Mark Rose	NF	no factor TF: 78-79
2022-05-04	Jon Pace	NF	no factor TF: 77-78
2020-08-03	mashisu	C-PRP	BA79C430E87775__
2020-03-10	mashisu	NF-PM1	B1=4660000
2019-11-28	Siarhei P. 😜	NF	no factor TF: 76-77
2016-11-01	Team_Inspector	NF	no factor TF: 75-76
2015-11-20	Team_Inspector	NF	no factor TF: 74-75
2015-05-04	Team_Inspector	NF	no factor TF: 73-74
2013-01-22	LaurV	NF	no factor TF: 72-73
2011-04-24	Christian Geschwentner	NF	no factor TF: 71-72
2010-12-13	Grant McCracken	NF	no factor TF: 70-71
2010-10-03	Grant McCracken	NF	no factor TF: 69-70
2010-01-19	Grant McCracken	NF	no factor TF: 68-69