332 465 747 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 =	3005000
B2 =	79632500

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2022-07-25	Chelle	20E4FFEA5E634820	228226045	1	3

History

Date	User	Type	Result
2023-03-06	Mark Rose	NF	no factor TF: 80-81
2022-08-08	Ahmed Azhad	CERT	Proof certified good
2022-07-25	Chelle	C-PRP	20E4FFEA5E634820 Proof Certified Good Proof Power: 8
2015-05-02	aurashift	NF-PM1	B1=3005000, B2=79632500, E=12
2015-04-28	LaurV	NF	no factor TF: 79-80
2015-04-27	LaurV	NF	no factor TF: 78-79
2015-04-27	LaurV	NF	no factor TF: 77-78
2015-04-26	LaurV	NF	no factor TF: 76-77
2015-04-26	LaurV	NF	no factor TF: 75-76
2015-04-26	aurashift	NF	no factor TF: 74-75
2015-04-23	aurashift	NF	no factor TF: 73-74
2013-03-03	LaurV	NF	no factor TF: 72-73
2013-03-03	LaurV	NF	no factor TF: 71-72
2012-12-30	kracker	NF	no factor TF: 70-71
2012-06-30	LaurV	NF	no factor TF: 69-70
2011-07-26	Grant McCracken	NF	no factor TF: 68-69
2011-07-26	Grant McCracken	NF	no factor TF: 67-68