332 556 197 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Tested as composite (unverified): unconfirmed PRP test says not-prime

No factors below 2⁸¹

TF target 2⁸¹

P-1

B1 =	3915000
B2 =	3915000

Status	Proof	Date	User	Residue	Shift	Type	Base
Unverified	PRP without proof (not generated)	2019-06-07	Lukas Hain	C6C542727C7BD2__	138783777	1	3

History

Date	User	Type	Result
2023-04-01	Mark Rose	NF	no factor TF: 80-81
2023-04-01	Mark Rose	NF	no factor TF: 79-80
2019-06-07	Lukas Hain	C-PRP	C6C542727C7BD2__
2019-02-07	Lukas Hain	NF-PM1	B1=3915000
2015-12-29	LaurV	NF	no factor TF: 78-79
2015-12-28	LaurV	NF	no factor TF: 77-78
2015-12-28	LaurV	NF	no factor TF: 76-77
2015-12-28	LaurV	NF	no factor TF: 75-76
2015-12-28	LaurV	NF	no factor TF: 74-75
2015-07-04	Andrew B	NF	no factor TF: 73-74
2013-07-09	kracker	NF	no factor TF: 72-73
2013-03-07	LaurV	NF	no factor TF: 71-72
2013-01-19	kracker	NF	no factor TF: 70-71
2012-07-05	LaurV	NF	no factor TF: 69-70
2012-04-11	LaurV	NF	no factor TF: 68-69
2011-12-22	Grant McCracken	NF	no factor TF: 67-68