332 500 561 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 =	2580000
B2 =	59340000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2022-03-11	Simon Josefsson	FE72C18E59219B78	68086788	1	3

History

Date	User	Type	Result
2024-06-05	LaurV	NF	no factor TF: 71-72
2022-03-21	Jan S.	CERT	Proof certified good
2022-03-11	Simon Josefsson	C-PRP	FE72C18E59219B78 Proof Certified Good Proof Power: 7
2020-06-01	Anton Repko	NF-PM1	B1=2580000, B2=59340000
2019-11-18	MadPoo 🙂	NF-PM1	B1=100000, B2=1000000
2019-05-12	MadPoo 🙂	NF-PM1	B1=100000
2019-02-16	Anton Repko	NF	no factor TF: 75-81
2015-05-23	srow7	NF	no factor TF: 74-75
2015-05-19	srow7	NF	no factor TF: 73-74
2013-06-24	LaurV	NF	no factor TF: 72-73
2013-02-27	Architects Cubed	NF	no factor TF: 71-72
2013-01-15	Team_Inspector	NF	no factor TF: 70-71
2012-07-01	LaurV	NF	no factor TF: 69-70
2012-04-10	LaurV	NF	no factor TF: 68-69
2011-09-23	Team_Inspector	NF	no factor TF: 67-68