332 299 309 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 =	2980000
B2 =	81950000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2023-02-17	JacobZ	F52D868C7F63586D	0	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-01	Kriesel	CERT	Proof certified good
2023-02-17	JacobZ	C-PRP	F52D868C7F63586D Proof Certified Good Proof Power: 8
2023-01-11	Mark Rose	NF	no factor TF: 80-81
2023-01-11	Mark Rose	NF	no factor TF: 79-80
2020-08-28	el grocco	NF	no factor TF: 78-79
2017-01-14	ANONYMOUS	NF-PM1	B1=2980000, B2=81950000, E=6
2015-12-03	srow7	NF	no factor TF: 77-78
2015-11-23	srow7	NF	no factor TF: 76-77
2015-01-06	Jacques MOLNE	NF	no factor TF: 75-76
2013-10-07	ktony	NF	no factor TF: 74-75
2013-03-10	-anonymous-	NF	no factor TF: 73-74
2013-01-11	-anonymous-	NF	no factor TF: 72-73
2011-09-18	Grant McCracken	NF	no factor TF: 71-72
2011-05-23	Grant McCracken	NF	no factor TF: 70-71
2010-09-24	Sunfish	NF	no factor TF: 69-70
2009-07-19	Sunfish	NF	no factor TF: 68-69