332 252 587 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 2⁸³

TF target 2⁸¹

P-1

B1 =	2555000
B2 =	58126250

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2021-11-26	DanB	9485B75FCE8E8F3A	0	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2021-12-01	ZacHFX	CERT	Proof certified good
2021-11-26	DanB	C-PRP	9485B75FCE8E8F3A Proof Certified Good Proof Power: 8
2020-09-19	Joe S.	NF	no factor TF: 82-83
2020-06-21	David Hruska	NF	no factor TF: 81-82
2016-05-20	aurashift	NF-PM1	B1=2555000, B2=58126250, E=6
2016-05-14	dh1	NF	no factor TF: 80-81
2016-05-14	dh1	NF	no factor TF: 79-80
2016-05-14	dh1	NF	no factor TF: 78-79
2016-05-14	dh1	NF	no factor TF: 77-78
2013-07-24	Boulifa Bilel	NF	no factor TF: 76-77
2013-04-28	Boulifa Bilel	NF	no factor TF: 75-76
2013-01-09	LaurV	NF	no factor TF: 74-75
2011-11-27	Team_Inspector	NF	no factor TF: 73-74
2011-09-02	Team_Inspector	NF	no factor TF: 72-73
2011-04-30	Christian Geschwentner	NF	no factor TF: 71-72
2010-12-12	Team_Inspector	NF	no factor TF: 70-71
2009-11-27	Team_Inspector	NF	no factor TF: 69-70
2009-03-05	Team_Inspector	NF	no factor TF: 68-69