332 311 481 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 =	1000000
B2 =	30000000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2020-12-09	Xebecer	F05473B973409AD0	0	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-22	Mark Rose	NF	no factor TF: 80-81
2023-03-22	Mark Rose	NF	no factor TF: 79-80
2021-01-12	David Ramalho	CERT	Proof certified good
2020-12-09	Xebecer	C-PRP	F05473B973409AD0 Proof Certified Good Proof Power: 9
2020-09-26	Xebecer	NF-PM1	B1=1000000, B2=30000000
2020-09-19	LOBES	NF	no factor TF: 78-79
2020-09-19	LOBES	NF	no factor TF: 77-78
2020-07-29	el grocco	NF	no factor TF: 76-77
2015-11-12	Team_Inspector	NF	no factor TF: 75-76
2015-01-25	Team_Inspector	NF	no factor TF: 74-75
2013-08-04	Team_Inspector	NF	no factor TF: 73-74
2013-01-15	LaurV	NF	no factor TF: 72-73
2012-02-26	Grant McCracken	NF	no factor TF: 71-72
2011-06-21	Grant McCracken	NF	no factor TF: 70-71
2010-06-02	Sunfish	NF	no factor TF: 69-70
2009-08-14	Team_Inspector	NF	no factor TF: 68-69