332 313 721 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 =	3105000
B2 =	76072500

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2023-11-27	Simon Josefsson	1B17ECC1C5C07A9C	252248613	1	3

History

Date	User	Type	Result
2023-12-12	Kriesel	CERT	Proof certified good
2023-11-27	Simon Josefsson	C-PRP	1B17ECC1C5C07A9C Proof Certified Good Proof Power: 7
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-01-23	Mark Rose	NF	no factor TF: 80-81
2023-01-21	Team_Inspector	NF	no factor TF: 79-80
2020-10-02	Team_Inspector	NF	no factor TF: 78-79
2020-09-29	Team_Inspector	NF	no factor TF: 77-78
2016-07-13	Victor	NF	no factor TF: 76-77
2016-07-13	Victor	NF-PM1	B1=3105000, B2=76072500
2015-11-08	Team_Inspector	NF	no factor TF: 75-76
2015-02-07	Team_Inspector	NF	no factor TF: 74-75
2013-07-26	kracker	NF	no factor TF: 73-74
2013-01-15	LaurV	NF	no factor TF: 72-73
2012-03-26	Grant McCracken	NF	no factor TF: 71-72
2011-06-22	Grant McCracken	NF	no factor TF: 70-71
2010-06-09	Sunfish	NF	no factor TF: 69-70
2009-08-19	Team_Inspector	NF	no factor TF: 68-69