332 223 637 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 =	3910000
B2 =	3910000

Status	Date	User	Residue	Shift	Software
Unverified	2021-06-22	Joerg Dittmar	9081CC2CDA3735__	76812907	Windows 64-bit,Prime95,v28.9,build 2

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-13	Mark Rose	NF	no factor TF: 80-81
2023-02-13	Mark Rose	NF	no factor TF: 79-80
2021-06-22	Joerg Dittmar	C-LL	9081CC2CDA3735__
2016-10-11	Joerg Dittmar	NF-PM1	B1=3910000
2015-10-30	NR	NF	no factor TF: 78-79
2015-10-30	NR	NF	no factor TF: 77-78
2015-10-30	NR	NF	no factor TF: 76-77
2011-03-21	Sebastian Hornbostel	NF	no factor TF: 75-76
2010-04-08	-anonymous-	NF	no factor TF: 74-75
2010-02-27	-anonymous-	NF	no factor TF: 73-74
2010-02-09	-anonymous-	NF	no factor TF: 72-73
2009-12-21	Team_Inspector	NF	no factor TF: 71-72
2009-03-29	Team_Inspector	NF	no factor TF: 70-71
2009-03-04	Team_Inspector	NF	no factor TF: 69-70
2008-12-19	Team_Inspector	NF	no factor TF: 68-69