332 703 197 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 =	2860000
B2 =	193271000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2021-07-12	Simon Josefsson	BC0EFF7747811350	231427142	1	3

History

Date	User	Type	Result
2023-03-26	Mark Rose	NF	no factor TF: 80-81
2023-03-16	Mark Rose	NF	no factor TF: 79-80
2023-02-28	Mark Rose	NF	no factor TF: 78-79
2023-02-28	Mark Rose	NF	no factor TF: 77-78
2021-07-13	Ben Delo	CERT	Proof certified good
2021-07-12	Simon Josefsson	C-PRP	BC0EFF7747811350 Proof Certified Good Proof Power: 7
2021-05-16	Simon Josefsson	NF-PM1	B1=2860000, B2=193271000
2020-10-15	bayanne	NF	no factor TF: 76-77
2017-02-13	Adam Buran	NF	no factor TF: 75-76
2016-04-06	srow7	NF	no factor TF: 74-75
2015-07-31	srow7	NF	no factor TF: 73-74
2014-02-27	bayanne	NF	no factor TF: 72-73
2013-03-16	LaurV	NF	no factor TF: 71-72
2013-01-31	LaurV	NF	no factor TF: 70-71
2012-07-15	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
2010-10-29	Architects Cubed	NF	no factor TF: 66-67