332 239 261 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	2023-04-05	ANONYMOUS	554103754F4316C4	215604884	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-04-24	Team_Inspector	CERT	Proof certified good
2023-04-05	ANONYMOUS	C-PRP	Proof Certified Good Proof Power: 8
2023-01-10	Mark Rose	NF	no factor TF: 80-81
2023-01-10	Mark Rose	NF	no factor TF: 79-80
2023-01-09	Mark Rose	NF	no factor TF: 78-79
2023-01-07	CaptainEntropy	NF-PM1	B1=1980000, B2=48015000, E=6
2015-09-11	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
2009-07-04	Team_Inspector	NF	no factor TF: 72-73
2009-07-01	Team_Inspector	NF	no factor TF: 71-72
2009-06-30	Team_Inspector	NF	no factor TF: 70-71
2009-05-04	Team_Inspector	NF	no factor TF: 69-70
2009-01-30	Team_Inspector	NF	no factor TF: 68-69