332 259 163 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 =	2000000
B2 =	227586072

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2023-06-19	ANONYMOUS	F9AA39F53D29D81F	76831226	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-07-07	Kriesel	CERT	Proof certified good
2023-06-19	ANONYMOUS	C-PRP	F9AA39F53D29D81F Proof Certified Good Proof Power: 8
2023-03-09	JacobZ	NF-PM1	B1=2000000, B2=227586072
2022-12-30	Mark Rose	NF	no factor TF: 80-81
2022-12-30	Mark Rose	NF	no factor TF: 79-80
2022-02-06	techn1ciaN	NF	no factor TF: 78-79
2021-08-09	Jon Pace	NF	no factor TF: 77-78
2015-08-28	srow7	NF	no factor TF: 76-77
2014-12-23	Team_Inspector	NF	no factor TF: 75-76
2011-06-29	Sebastian Hornbostel	NF	no factor TF: 74-75
2011-06-26	Christian Geschwentner	NF	no factor TF: 73-74
2011-06-20	Christian Geschwentner	NF	no factor TF: 72-73
2011-04-21	Grant McCracken	NF	no factor TF: 71-72
2011-02-23	Christian Geschwentner	NF	no factor TF: 70-71
2009-09-26	Team_Inspector	NF	no factor TF: 69-70
2009-05-23	Team_Inspector	NF	no factor TF: 68-69