332 871 997 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime

No factors below 2⁸¹

TF target 2⁸¹

P-1

B1 =	2318000
B2 =	279388200

Status	Proof	Date	User	Residue	Shift	Type	Base
Reliable	PRP without proof (not generated)	2026-01-08	H N Terrell	1C9361CC55E28A__	184984590	1	3

History

Date	User	Type	Result
2026-01-22	Jason Lynch	NF-PM1	B1=2318000, B2=279388200
2026-01-09	kkmrkkblmbrbk	NF	no factor TF: 80-81
2026-01-08	kkmrkkblmbrbk	NF	no factor TF: 79-80
2026-01-08	H N Terrell	C-PRP	1C9361CC55E28A__
2025-11-16	H N Terrell	NF	no factor TF: 76-77
2025-11-15	H N Terrell	NF	no factor TF: 75-76
2023-12-25	TheJudger	NF	no factor TF: 78-79
2023-11-13	Jurzal	NF	no factor TF: 77-78
2022-10-23	DRobinsonPE	NF	no factor TF: 76-77
2020-07-25	atrench	NF	no factor TF: 75-76
2019-01-18	srow7	NF	no factor TF: 74-75
2015-09-21	srow7	NF	no factor TF: 73-74
2015-05-18	Jacques MOLNE	NF	no factor TF: 72-73
2013-03-31	David Campeau	NF	no factor TF: 71-72
2012-10-28	kracker	NF	no factor TF: 70-71
2012-07-21	LaurV	NF	no factor TF: 69-70
2012-04-14	LaurV	NF	no factor TF: 67-69
2010-11-02	Architects Cubed	NF	no factor TF: 66-67