332 445 811 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 =	1565000
B2 =	354405150

Status	Date	User	Residue	Shift	Software
Unverified	2017-08-20	T.Tatekawa	A33AF06E22043D__	78230831	CUDALucas v2

History

Date	User	Type	Result
2023-05-20	Mark Rose	NF-PM1	B1=1565000, B2=354405150
2023-02-10	Mark Rose	NF	no factor TF: 80-81
2023-02-10	Mark Rose	NF	no factor TF: 79-80
2023-02-10	Mark Rose	NF	no factor TF: 78-79
2017-08-20	T.Tatekawa	C-LL	A33AF06E22043D__
2015-12-17	John Burroughs	NF	no factor TF: 77-78
2015-12-17	John Burroughs	NF	no factor TF: 76-77
2012-01-24	SETIKAH	NF	no factor TF: 75-76
2011-10-31	SETIKAH	NF	no factor TF: 74-75
2011-08-01	SETIKAH	NF	no factor TF: 73-74
2011-05-21	rduerr	NF	no factor TF: 67-73

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