332 412 937 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime

No factors below 2⁸¹

TF target 2⁸¹

P-1

B1 =	1565000
B2 =	354419940

Status	Proof	Date	User	Residue	Shift	Type	Base
Reliable	PRP without proof (not generated)	2018-12-29	Valerio Bellizzomi	BCE87C506C70AF__	0	1	3

History

Date	User	Type	Result
2023-05-18	Mark Rose	NF-PM1	B1=1565000, B2=354419940
2023-01-08	Mark Rose	NF	no factor TF: 80-81
2018-12-29	Valerio Bellizzomi	C-PRP	BCE87C506C70AF__
2018-07-10	Random GPUs	NF	no factor TF: 79-80
2018-07-10	Random GPUs	NF	no factor TF: 78-79
2018-07-10	Random GPUs	NF	no factor TF: 77-78
2018-07-10	Random GPUs	NF	no factor TF: 76-77
2018-07-10	Random GPUs	NF	no factor TF: 75-76
2016-04-11	-anonymous-	NF	no factor TF: 74-75
2015-02-04	Xebecer	NF	no factor TF: 73-74
2013-04-12	Stef42	NF	no factor TF: 72-73
2013-02-28	kracker	NF	no factor TF: 71-72
2012-10-09	kracker	NF	no factor TF: 70-71
2012-06-30	LaurV	NF	no factor TF: 69-70
2011-04-18	Grant McCracken	NF	no factor TF: 68-69
2011-04-18	Grant McCracken	NF	no factor TF: 67-68