332 239 181 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 =	1980000
B2 =	48015000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2023-05-01	DanB	B43E3792E47E158B	0	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-05-08	James Heinrich	CERT	Proof certified good
2023-05-01	DanB	C-PRP	B43E3792E47E158B Proof Certified Good Proof Power: 8
2023-01-01	Team_Inspector	NF	no factor TF: 80-81
2022-12-29	Runtime Error	NF	no factor TF: 79-80
2022-12-24	Mark Rose	NF	no factor TF: 78-79
2022-12-23	CaptainEntropy	NF-PM1	B1=1980000, B2=48015000, E=6
2015-09-09	NR	NF	no factor TF: 77-78
2015-08-18	srow7	NF	no factor TF: 76-77
2011-01-09	Tom Duell	NF	no factor TF: 75-76
2011-01-09	Tom Duell	NF	no factor TF: 74-75
2011-01-09	Tom Duell	NF	no factor TF: 73-74
2009-06-19	Team_Inspector	NF	no factor TF: 72-73
2009-06-16	Team_Inspector	NF	no factor TF: 71-72
2009-06-14	Team_Inspector	NF	no factor TF: 70-71
2009-05-03	Team_Inspector	NF	no factor TF: 69-70
2009-01-30	Team_Inspector	NF	no factor TF: 68-69