332 383 747 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 =	4660000
B2 =	4660000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=10	2026-04-21	MLauer	D1B5641E72797EF4	197578036	1	3

History

Date	User	Type	Result
2026-04-21	Architects Cubed	CERT	Proof certified good
2026-04-21	MLauer	C-PRP	Proof Certified Good Proof Power: 10
2023-11-14	TravisJank	NF	no factor TF: 80-81
2023-11-11	gcardona	NF	no factor TF: 79-80
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-01-05	Mark Rose	NF	no factor TF: 78-79
2021-06-20	Jon Pace	NF	no factor TF: 77-78
2018-01-22	ANONYMOUS	NF-PM1	B1=4660000
2011-03-08	Tom Duell	NF	no factor TF: 76-77
2011-03-08	Tom Duell	NF	no factor TF: 75-76
2011-03-08	Tom Duell	NF	no factor TF: 74-75
2011-01-31	vats09	NF	no factor TF: 73-74
2011-01-31	vats09	NF	no factor TF: 72-73
2011-01-31	vats09	NF	no factor TF: 71-72
2011-01-17	Grant McCracken	NF	no factor TF: 70-71
2009-07-08	unconnected	NF	no factor TF: 69-70
2009-07-08	unconnected	NF	no factor TF: 68-69