332 241 397 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

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

No factors below 2⁸¹

TF target 2⁸¹

P-1

B1 =	3610000
B2 =	3610000

Status	Date	User	Residue	Shift	Software
Unverified	2018-12-06	SteveMosey	715EF89FA8E309__	297430203	Windows 64-bit,Prime95,v28.9,build 2

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-17	Mark Rose	NF	no factor TF: 80-81
2018-12-06	SteveMosey	C-LL	715EF89FA8E309__
2017-06-02	ANONYMOUS	NF-PM1	B1=3610000
2016-04-22	dh1	NF	no factor TF: 79-80
2016-04-22	dh1	NF	no factor TF: 78-79
2016-04-22	dh1	NF	no factor TF: 77-78
2015-10-12	srow7	NF	no factor TF: 76-77
2011-06-24	SETIKAH	NF	no factor TF: 75-76
2011-06-01	SETIKAH	NF	no factor TF: 74-75
2011-05-12	Christian Geschwentner	NF	no factor TF: 73-74
2011-04-28	Christian Geschwentner	NF	no factor TF: 72-73
2010-11-16	Team_Inspector	NF	no factor TF: 71-72
2009-09-20	Team_Inspector	NF	no factor TF: 70-71
2009-05-21	Team_Inspector	NF	no factor TF: 69-70
2009-02-04	Team_Inspector	NF	no factor TF: 68-69