332 217 217 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 =	2393000
B2 =	128037000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2023-02-27	Simon Josefsson	4419F6E4DBDBFF14	147520270	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-04	Team_Inspector	CERT	Proof certified good
2023-02-27	Simon Josefsson	C-PRP	4419F6E4DBDBFF14 Proof Certified Good Proof Power: 7
2022-12-31	Simon Josefsson	NF-PM1	B1=2393000, B2=128037000
2022-12-21	Mark Rose	NF	no factor TF: 80-81
2022-12-21	Mark Rose	NF	no factor TF: 79-80
2019-12-06	MadPoo 🙂	NF-PM1	B1=100000, B2=1000000
2019-04-07	MadPoo 🙂	NF-PM1	B1=100000
2015-10-14	NR	NF	no factor TF: 78-79
2015-10-14	NR	NF	no factor TF: 77-78
2015-10-14	NR	NF	no factor TF: 76-77
2011-08-31	Chuck	NF	no factor TF: 75-76
2011-06-28	Sunfish	NF	no factor TF: 74-75
2010-08-16	Team_Inspector	NF	no factor TF: 73-74
2010-06-11	George Gonis	NF	no factor TF: 72-73
2008-12-02	werdwerdus	NF	no factor TF: 71-72
2008-12-01	werdwerdus	NF	no factor TF: 70-71
2008-12-01	werdwerdus	NF	no factor TF: 69-70
2008-12-01	werdwerdus	NF	no factor TF: 68-69