332 211 427 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 =	4090000
B2 =	4090000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2025-08-02	SwedishColumbus	EB77E07959AD4AF4	123783522	1	3

History

Date	User	Type	Result
2025-08-04	Kriesel	CERT	Proof certified good
2025-08-02	SwedishColumbus	C-PRP	EB77E07959AD4AF4 Proof Certified Good Proof Power: 8
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2020-10-10	Albrecht Heeffer	NF	no factor TF: 80-81
2020-10-09	Albrecht Heeffer	NF	no factor TF: 79-80
2012-01-28	SETIKAH	NF-PM1	B1=4090000
2011-03-05	TheJudger	NF	no factor TF: 78-79
2011-03-05	TheJudger	NF	no factor TF: 77-78
2011-03-05	TheJudger	NF	no factor TF: 76-77
2011-03-05	TheJudger	NF	no factor TF: 75-76
2011-03-05	TheJudger	NF	no factor TF: 74-75
2010-04-29	Team_Inspector	NF	no factor TF: 73-74
2010-04-08	Team_Inspector	NF	no factor TF: 72-73
2010-02-03	Team_Inspector	NF	no factor TF: 71-72
2010-02-03	Team_Inspector	NF	no factor TF: 70-71
2009-07-10	Team_Inspector	NF	no factor TF: 69-70
2008-11-21	SViste	NF	no factor TF: 68-69