332 199 407 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 =	4090000
B2 =	4090000

Status	Date	User	Residue	Shift	Software
Unverified	2020-05-15	ag6if-jim	624F0C8FEB5783__	91045186	Linux 64-bit,Prime95,v29.4,build 8

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-09	Mark Rose	NF	no factor TF: 80-81
2021-02-12	Random GPUs	NF	no factor TF: 79-80
2020-05-15	ag6if-jim	C-LL	624F0C8FEB5783__
2012-12-10	chauvet_p	NF-PM1	B1=4090000
2011-04-03	amphoria	NF	no factor TF: 78-79
2011-04-03	amphoria	NF	no factor TF: 77-78
2011-04-03	amphoria	NF	no factor TF: 76-77
2011-03-20	Christian Geschwentner	NF	no factor TF: 75-76
2009-05-28	Christoph Anton Mitterer	NF	no factor TF: 74-75
2009-05-20	Christoph Anton Mitterer	NF	no factor TF: 73-74
2009-05-13	Christoph Anton Mitterer	NF	no factor TF: 72-73
2009-05-11	Christoph Anton Mitterer	NF	no factor TF: 71-72
2009-05-10	Christoph Anton Mitterer	NF	no factor TF: 70-71
2008-11-02	Team_Inspector	NF	no factor TF: 69-70
2008-11-02	Team_Inspector	NF	no factor TF: 68-69