332 455 703 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 =	4095000
B2 =	4095000

Status	Date	User	Residue	Shift	Software
Unverified	2019-04-17	Simply	B96FF593F1F1D8__	63420937	Windows 64-bit,Prime95,v27.9,build 1

History

Date	User	Type	Result
2023-03-04	Mark Rose	NF	no factor TF: 80-81
2023-03-04	Mark Rose	NF	no factor TF: 79-80
2019-04-17	Simply	C-LL	B96FF593F1F1D8__
2013-10-09	Simply	NF-PM1	B1=4095000
2013-06-20	ktony	NF	no factor TF: 78-79
2013-06-20	ktony	NF	no factor TF: 77-78
2013-06-20	ktony	NF	no factor TF: 76-77
2013-06-19	ktony	NF	no factor TF: 75-76
2013-06-19	ktony	NF	no factor TF: 74-75
2013-06-19	ktony	NF	no factor TF: 73-74
2013-06-19	ktony	NF	no factor TF: 72-73
2013-03-02	Chuck	NF	no factor TF: 71-72
2012-12-30	kracker	NF	no factor TF: 70-71
2012-06-30	LaurV	NF	no factor TF: 69-70
2011-07-19	Grant McCracken	NF	no factor TF: 68-69
2011-07-19	Grant McCracken	NF	no factor TF: 67-68