332 611 133 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 =	2609000
B2 =	101485000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2021-05-28	Simon Josefsson	12B71401D1CEFAD3	312055477	1	3

History

Date	User	Type	Result
2023-03-24	Mark Rose	NF	no factor TF: 80-81
2023-03-09	Mark Rose	NF	no factor TF: 79-80
2023-02-26	Mark Rose	NF	no factor TF: 78-79
2023-02-26	Mark Rose	NF	no factor TF: 77-78
2021-05-29	Miika Wallius	CERT	Proof certified good
2021-05-28	Simon Josefsson	C-PRP	12B71401D1CEFAD3 Proof Certified Good Proof Power: 7
2021-03-15	Simon Josefsson	NF-PM1	B1=2609000, B2=101485000
2020-10-05	bayanne	NF	no factor TF: 76-77
2019-11-12	srow7	NF	no factor TF: 75-76
2016-02-19	srow7	NF	no factor TF: 74-75
2015-07-07	srow7	NF	no factor TF: 73-74
2013-11-23	bayanne	NF	no factor TF: 72-73
2013-03-09	LaurV	NF	no factor TF: 71-72
2013-01-29	LaurV	NF	no factor TF: 70-71
2012-07-06	LaurV	NF	no factor TF: 69-70
2012-04-12	LaurV	NF	no factor TF: 68-69
2012-03-27	LaurV	NF	no factor TF: 67-68
2010-04-28	Grant McCracken	NF	no factor TF: 66-67