332 247 389 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 =	4305000
B2 =	4305000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2022-04-27	Simon Josefsson	571D915842FE36D1	7930960	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-19	Mark Rose	NF	no factor TF: 80-81
2023-03-19	Mark Rose	NF	no factor TF: 79-80
2022-05-08	Ahmed Azhad	CERT	Proof certified good
2022-04-27	Simon Josefsson	C-PRP	571D915842FE36D1 Proof Certified Good Proof Power: 7
2022-02-13	techn1ciaN	NF	no factor TF: 78-79
2019-08-13	Kabenge Hamiss	NF-PM1	B1=4305000
2013-11-11	electron1897	NF	no factor TF: 77-78
2013-11-11	electron1897	NF	no factor TF: 76-77
2013-11-11	electron1897	NF	no factor TF: 75-76
2011-11-04	SETIKAH	NF	no factor TF: 74-75
2011-07-15	SETIKAH	NF	no factor TF: 73-74
2011-04-24	Christian Geschwentner	NF	no factor TF: 72-73
2010-05-31	Grant McCracken	NF	no factor TF: 71-72
2009-04-29	Team_Inspector	NF	no factor TF: 70-71
2009-03-22	Team_Inspector	NF	no factor TF: 69-70
2009-02-19	Team_Inspector	NF	no factor TF: 68-69