332 222 291 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 =	2832000
B2 =	267669090

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2023-01-10	FlaJunkie	5C29B685E5D22B94	4104545	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-11	Mark Rose	NF	no factor TF: 80-81
2023-02-03	Team_Inspector	CERT	Proof certified good
2023-01-10	FlaJunkie	C-PRP	5C29B685E5D22B94 Proof Certified Good Proof Power: 8
2022-11-09	James Heinrich	NF	no factor TF: 79-80
2022-11-07	James Heinrich	NF-PM1	B1=2832000, B2=267669090
2015-11-08	Klaus Nordmann	NF-PM1	B1=3910000
2015-10-23	NR	NF	no factor TF: 78-79
2015-10-23	NR	NF	no factor TF: 77-78
2015-10-23	NR	NF	no factor TF: 76-77
2011-02-14	Sebastian Hornbostel	NF	no factor TF: 75-76
2010-11-21	Michael Peick	NF	no factor TF: 74-75
2010-09-06	Team_Inspector	NF	no factor TF: 73-74
2010-08-31	Team_Inspector	NF	no factor TF: 72-73
2010-01-20	Team_Inspector	NF	no factor TF: 71-72
2010-01-18	Team_Inspector	NF	no factor TF: 70-71
2009-03-01	Team_Inspector	NF	no factor TF: 69-70
2008-12-15	Team_Inspector	NF	no factor TF: 68-69