332 290 193 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 =	1564000
B2 =	354419940

Status	Date	User	Residue	Shift	Software
Unverified	2017-10-15	Jacques MOLNE	07FD68A4209A7B__	0	CUDALucas v2.03

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-28	Mark Rose	NF-PM1	B1=1564000, B2=354419940
2023-01-09	Mark Rose	NF	no factor TF: 80-81
2023-01-09	Mark Rose	NF	no factor TF: 79-80
2017-10-15	Jacques MOLNE	C-LL	07FD68A4209A7B__
2011-03-26	TheJudger	NF	no factor TF: 78-79
2011-03-26	TheJudger	NF	no factor TF: 77-78
2011-03-26	TheJudger	NF	no factor TF: 76-77
2011-03-26	TheJudger	NF	no factor TF: 75-76
2010-01-04	vats09	NF	no factor TF: 74-75
2009-12-28	vats09	NF	no factor TF: 73-74
2009-12-28	vats09	NF	no factor TF: 72-73
2009-12-24	vats09	NF	no factor TF: 71-72
2009-12-24	vats09	NF	no factor TF: 70-71
2009-12-23	vats09	NF	no factor TF: 69-70
2009-08-27	Team_Inspector	NF	no factor TF: 68-69