332 286 161 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 =	1000000
B2 =	30000000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2020-09-23	Albrecht Heeffer	19E9F296D7CD4209	0	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-21	Mark Rose	NF	no factor TF: 80-81
2023-03-21	Mark Rose	NF	no factor TF: 79-80
2020-09-23	Ben Delo	CERT	Proof certified good
2020-09-23	Albrecht Heeffer	C-PRP	Proof Certified Good Proof Power: 8
2020-09-13	Albrecht Heeffer	NF-PM1	B1=1000000, B2=30000000
2020-08-24	el grocco	NF	no factor TF: 78-79
2020-07-24	Team_Inspector	NF	no factor TF: 77-78
2018-06-20	Team_Inspector	NF	no factor TF: 76-77
2013-07-08	blahpy	NF	no factor TF: 75-76
2013-03-06	AntonioK	NF	no factor TF: 73-75
2012-10-21	Team_Inspector	NF	no factor TF: 72-73
2012-02-02	Grant McCracken	NF	no factor TF: 71-72
2011-05-06	Grant McCracken	NF	no factor TF: 70-71
2010-06-04	Sunfish	NF	no factor TF: 69-70
2009-08-01	Team_Inspector	NF	no factor TF: 68-69