332 316 793 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 =	2345000
B2 =	76837000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2022-05-11	Ruslan Borisov	420ECCCB1318AD5F	257124207	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-23	Mark Rose	NF	no factor TF: 80-81
2023-03-23	Mark Rose	NF	no factor TF: 79-80
2022-05-31	Jan S.	CERT	Proof certified good
2022-05-11	Ruslan Borisov	C-PRP	Proof Certified Good Proof Power: 9
2021-03-04	Ruslan Borisov	NF-PM1	B1=2345000, B2=76837000
2020-10-30	Team_Inspector	NF	no factor TF: 78-79
2020-10-27	Team_Inspector	NF	no factor TF: 77-78
2020-07-29	el grocco	NF	no factor TF: 76-77
2016-01-14	Team_Inspector	NF	no factor TF: 75-76
2013-10-30	sheng	NF	no factor TF: 74-75
2013-09-23	Team_Inspector	NF	no factor TF: 73-74
2013-01-16	LaurV	NF	no factor TF: 72-73
2012-05-20	Grant McCracken	NF	no factor TF: 71-72
2011-06-14	Grant McCracken	NF	no factor TF: 70-71
2010-09-30	Sunfish	NF	no factor TF: 69-70
2009-08-27	Team_Inspector	NF	no factor TF: 68-69