332 287 777 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 =	1662000
B2 =	128510580

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2023-09-17	Simon Josefsson	3879087FF37BD94E	325615304	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-10-07	Naegi Makoto	CERT	Proof certified good
2023-09-17	Simon Josefsson	C-PRP	3879087FF37BD94E Proof Certified Good Proof Power: 7
2023-06-17	JacobZ	NF-PM1	B1=1662000, B2=128510580
2023-01-06	Mark Rose	NF	no factor TF: 80-81
2023-01-06	Mark Rose	NF	no factor TF: 79-80
2020-08-24	el grocco	NF	no factor TF: 78-79
2020-07-29	Team_Inspector	NF	no factor TF: 77-78
2017-01-12	Grant McCracken	NF	no factor TF: 76-77
2014-12-12	Jacques MOLNE	NF	no factor TF: 75-76
2013-09-20	ktony	NF	no factor TF: 74-75
2013-05-15	kracker	NF	no factor TF: 73-74
2012-11-26	Team_Inspector	NF	no factor TF: 72-73
2012-01-25	Grant McCracken	NF	no factor TF: 71-72
2011-07-12	Grant McCracken	NF	no factor TF: 70-71
2010-06-08	Sunfish	NF	no factor TF: 69-70
2009-08-05	Team_Inspector	NF	no factor TF: 68-69