332 724 253 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 =	2566000
B2 =	89976000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2021-07-12	Chelle	6EF686C3E10C3A33	177261196	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	Chelle	C-PRP	Proof Certified Good Proof Power: 8
2021-06-09	ANONYMOUS	NF-PM1	B1=2566000, B2=89976000
2020-10-19	bayanne	NF	no factor TF: 76-77
2020-07-02	George Woltman	NF	no factor TF: 75-76
2016-05-10	srow7	NF	no factor TF: 74-75
2015-08-07	srow7	NF	no factor TF: 73-74
2014-04-01	bayanne	NF	no factor TF: 72-73
2013-03-17	LaurV	NF	no factor TF: 71-72
2013-02-01	LaurV	NF	no factor TF: 70-71
2012-07-17	LaurV	NF	no factor TF: 69-70
2012-04-12	LaurV	NF	no factor TF: 68-69
2012-03-28	LaurV	NF	no factor TF: 67-68
2010-10-29	Architects Cubed	NF	no factor TF: 66-67