332 333 291 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 =	3145000
B2 =	83342500

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=10	2022-08-08	y-omori	02CC6FA5270DD980	271044870	1	3

History

Date	User	Type	Result
2024-02-24	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-28	Mark Rose	NF	no factor TF: 80-81
2023-03-28	Mark Rose	NF	no factor TF: 79-80
2023-01-23	Mark Rose	NF	no factor TF: 78-79
2022-08-09	iwes	CERT	Proof certified good
2022-08-08	y-omori	C-PRP	02CC6FA5270DD980 Proof Certified Good Proof Power: 10
2021-05-26	Jon Pace	NF	no factor TF: 77-78
2020-07-31	el grocco	NF	no factor TF: 76-77
2018-11-02	chauvet_p	NF-PM1	B1=3145000, B2=83342500
2016-04-11	Team_Inspector	NF	no factor TF: 75-76
2014-04-22	Preben S	NF	no factor TF: 74-75
2013-12-27	Team_Inspector	NF	no factor TF: 73-74
2013-01-19	LaurV	NF	no factor TF: 72-73
2012-08-19	Team_Inspector	NF	no factor TF: 71-72
2011-04-08	Grant McCracken	NF	no factor TF: 70-71
2011-01-04	Sunfish	NF	no factor TF: 69-70
2009-12-13	Grant McCracken	NF	no factor TF: 68-69