332 609 153 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 =	2611000
B2 =	101543000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2021-04-19	Chelle	4F8FACCD72F2C081	13544959	1	3

History

Date	User	Type	Result
2023-03-25	Mark Rose	NF	no factor TF: 80-81
2023-03-08	Mark Rose	NF	no factor TF: 79-80
2023-02-25	Mark Rose	NF	no factor TF: 78-79
2023-02-25	Mark Rose	NF	no factor TF: 77-78
2021-04-23	Jim Donovan	CERT	Proof certified good
2021-04-19	Chelle	C-PRP	4F8FACCD72F2C081 Proof Certified Good Proof Power: 8
2021-03-14	Chelle	NF-PM1	B1=2611000, B2=101543000
2020-10-07	Architects Cubed	NF	no factor TF: 76-77
2019-11-11	srow7	NF	no factor TF: 75-76
2016-01-29	srow7	NF	no factor TF: 74-75
2015-07-04	srow7	NF	no factor TF: 73-74
2013-11-14	Phantomas	NF	no factor TF: 72-73
2013-03-09	LaurV	NF	no factor TF: 71-72
2013-01-29	LaurV	NF	no factor TF: 70-71
2012-07-06	LaurV	NF	no factor TF: 69-70
2012-04-12	LaurV	NF	no factor TF: 68-69
2012-03-26	LaurV	NF	no factor TF: 67-68
2010-04-30	Team_Inspector	NF	no factor TF: 66-67