332 219 021 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 =	2915000
B2 =	69960000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=10	2022-02-23	David Hruska	ACD5F6A5713337CC	142980149	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
2022-02-23	curtisc	CERT	Proof certified good
2022-02-23	David Hruska	C-PRP	ACD5F6A5713337CC Proof Certified Good Proof Power: 10
2020-08-05	el grocco	NF	no factor TF: 78-79
2017-10-31	Matthew Millar	NF-PM1	B1=2915000, B2=69960000
2011-07-29	Chuck	NF	no factor TF: 77-78
2011-07-29	Chuck	NF	no factor TF: 76-77
2011-07-29	Chuck	NF	no factor TF: 75-76
2011-05-25	Sunfish	NF	no factor TF: 74-75
2010-06-17	Team_Inspector	NF	no factor TF: 73-74
2010-06-11	Team_Inspector	NF	no factor TF: 72-73
2009-11-24	Team_Inspector	NF	no factor TF: 71-72
2009-02-20	-anonymous-	NF	no factor TF: 70-71
2009-02-20	Team_Inspector	NF	no factor TF: 69-70
2008-12-05	Team_Inspector	NF	no factor TF: 68-69