332 221 249 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 =	5670000
B2 =	5670000

Status	Date	User	Residue	Shift	Software
Unverified	2014-04-03	Jeremie Forest	B57557F11D3233__	238948912	Windows 64-bit,Prime95,v27.9,build 1

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-14	Mark Rose	NF	no factor TF: 80-81
2023-02-14	Mark Rose	NF	no factor TF: 79-80
2023-02-14	Mark Rose	NF	no factor TF: 78-79
2014-04-03	Jeremie Forest	C-LL	B57557F11D3233__
2010-11-17	cloudmai	NF-PM1	B1=5670000
2010-09-12	Luigi Morelli	NF	no factor TF: 77-78
2010-09-12	Luigi Morelli	NF	no factor TF: 76-77
2010-09-12	Luigi Morelli	NF	no factor TF: 75-76
2009-02-02	Alex	NF	no factor TF: 74-75
2008-12-30	Alex	NF	no factor TF: 73-74
2008-12-24	Alex	NF	no factor TF: 72-73
2008-12-21	Alex	NF	no factor TF: 71-72
2008-12-19	Alex	NF	no factor TF: 70-71
2008-12-18	Alex	NF	no factor TF: 69-70
2008-12-12	Team_Inspector	NF	no factor TF: 68-69