332 396 879 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with PRP test

No factors below 2⁸¹

TF target 2⁸¹

P-1

B1 =	3340000
B2 =	108550000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2021-06-13	Chelle	43F352E2486E4013	65305843	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-13	Mark Rose	NF	no factor TF: 80-81
2021-06-17	Xie Shiquan	CERT	Proof certified good
2021-06-13	Chelle	C-PRP	43F352E2486E4013 Proof Certified Good Proof Power: 8
2018-05-08	Random GPUs	NF	no factor TF: 79-80
2018-05-08	Random GPUs	NF	no factor TF: 78-79
2018-05-08	Random GPUs	NF	no factor TF: 77-78
2018-05-08	Random GPUs	NF	no factor TF: 76-77
2015-02-02	aurashift	NF-PM1	B1=3340000, B2=108550000, E=12
2015-01-16	Jacques MOLNE	NF	no factor TF: 75-76
2015-01-13	Jacques MOLNE	NF	no factor TF: 74-75
2015-01-11	Jacques MOLNE	NF	no factor TF: 73-74
2013-01-24	LaurV	NF	no factor TF: 72-73
2011-05-05	Christian Geschwentner	NF	no factor TF: 71-72
2010-11-09	Grant McCracken	NF	no factor TF: 70-71
2010-06-02	Grant McCracken	NF	no factor TF: 69-70
2009-10-06	Grant McCracken	NF	no factor TF: 68-69