332 418 571 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 =	4305000
B2 =	4305000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2022-06-01	LaurV	07CCF53616973FE5	0	1	3

History

Date	User	Type	Result
2023-03-24	Mark Rose	NF	no factor TF: 80-81
2023-03-11	Mark Rose	NF	no factor TF: 79-80
2023-02-22	Mark Rose	NF	no factor TF: 78-79
2022-06-21	Jan S.	CERT	Proof certified good
2022-06-01	LaurV	C-PRP	07CCF53616973FE5 Proof Certified Good Proof Power: 8
2020-03-27	Frederik E.	NF-PM1	B1=4305000
2019-04-10	alex	NF	no factor TF: 76-77
2019-04-10	alex	NF	no factor TF: 77-78
2019-03-22	Andrew B	NF	no factor TF: 75-76
2016-04-13	srow7	NF	no factor TF: 74-75
2015-02-06	Xebecer	NF	no factor TF: 73-74
2013-04-25	kracker	NF	no factor TF: 72-73
2013-02-28	kracker	NF	no factor TF: 71-72
2011-04-08	rduerr	NF	no factor TF: 70-71
2011-04-08	rduerr	NF	no factor TF: 69-70
2011-04-08	rduerr	NF	no factor TF: 67-69