332 642 857 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 =	1000000
B2 =	30000000

Status	Proof	Date	User	Residue	Shift	Type	Base
Reliable	PRP without proof (not generated)	2021-04-20	adamgm	C8C57F6F323E96__	0	1	3

History

Date	User	Type	Result
2023-03-25	Mark Rose	NF	no factor TF: 80-81
2023-03-11	Mark Rose	NF	no factor TF: 79-80
2023-02-24	Mark Rose	NF	no factor TF: 78-79
2023-02-24	Mark Rose	NF	no factor TF: 77-78
2021-04-20	adamgm	C-PRP	C8C57F6F323E96__
2021-04-20	adamgm	NF-PM1	B1=1000000, B2=30000000
2020-10-09	Architects Cubed	NF	no factor TF: 76-77
2020-05-28	bayanne	NF	no factor TF: 75-76
2016-03-10	srow7	NF	no factor TF: 74-75
2015-07-24	James Heinrich	NF	no factor TF: 73-74
2013-09-16	america64	NF	no factor TF: 72-73
2013-03-10	LaurV	NF	no factor TF: 71-72
2013-01-30	LaurV	NF	no factor TF: 70-71
2012-03-31	LaurV	NF	no factor TF: 69-70
2012-03-31	LaurV	NF	no factor TF: 67-69
2010-09-29	Grant McCracken	NF	no factor TF: 66-67