332 462 381 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 =	3180000
B2 =	96990000

Status	Proof	Date	User	Residue	Shift	Type	Base
Reliable	PRP without proof (not generated)	2021-09-02	bald2718281828	0331E7966C0FDB__	21708497	1	3

History

Date	User	Type	Result
2023-03-29	Mark Rose	NF	no factor TF: 80-81
2023-03-28	Mark Rose	NF	no factor TF: 79-80
2023-02-24	Mark Rose	NF	no factor TF: 78-79
2022-05-07	Jon Pace	NF	no factor TF: 77-78
2021-09-02	bald2718281828	C-PRP	0331E7966C0FDB__
2017-05-27	Matthew Millar	NF-PM1	B1=3180000, B2=96990000
2017-04-12	Matthew Millar	NF	no factor TF: 76-77
2015-12-06	srow7	NF	no factor TF: 75-76
2015-05-21	srow7	NF	no factor TF: 74-75
2015-05-18	srow7	NF	no factor TF: 73-74
2013-03-02	LaurV	NF	no factor TF: 72-73
2013-03-02	LaurV	NF	no factor TF: 71-72
2012-12-27	kracker	NF	no factor TF: 70-71
2012-06-30	LaurV	NF	no factor TF: 69-70
2011-07-22	Grant McCracken	NF	no factor TF: 68-69
2011-07-21	Grant McCracken	NF	no factor TF: 67-68