332 222 641 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 =	2825000
B2 =	51556250

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2022-11-04	kerni3	B4BBD4C7D0331A16	130061379	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-14	Mark Rose	NF	no factor TF: 80-81
2023-03-14	Mark Rose	NF	no factor TF: 79-80
2022-12-14	Jan S.	CERT	Proof certified good
2022-11-04	kerni3	C-PRP	B4BBD4C7D0331A16 Proof Certified Good Proof Power: 9
2022-02-26	techn1ciaN	NF	no factor TF: 78-79
2016-11-24	Matthew Millar	NF-PM1	B1=2825000, B2=51556250
2015-08-11	srow7	NF	no factor TF: 77-78
2011-02-11	James Heinrich	NF	no factor TF: 76-77
2011-02-09	James Heinrich	NF	no factor TF: 75-76
2010-11-21	Michael Peick	NF	no factor TF: 74-75
2010-09-04	Team_Inspector	NF	no factor TF: 73-74
2010-09-02	Team_Inspector	NF	no factor TF: 72-73
2009-12-11	Team_Inspector	NF	no factor TF: 71-72
2009-12-09	Team_Inspector	NF	no factor TF: 70-71
2009-08-30	Team_Inspector	NF	no factor TF: 69-70
2008-12-16	Team_Inspector	NF	no factor TF: 68-69