332 500 187 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 =	3345000
B2 =	108712500

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2023-01-01	Mathew Mathai	2151064921A3FDC6	313705645	1	3

History

Date	User	Type	Result
2024-06-05	LaurV	NF	no factor TF: 71-72
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-11	zr_zircon	CERT	Proof certified good
2023-01-01	Mathew Mathai	C-PRP	2151064921A3FDC6 Proof Certified Good Proof Power: 9
2019-02-16	Anton Repko	NF	no factor TF: 77-81
2017-10-08	Christian Geschwentner	NF	no factor TF: 76-77
2015-05-09	aurashift	NF-PM1	B1=3345000, B2=108712500, E=12
2015-05-03	aurashift	NF	no factor TF: 75-76
2015-04-27	Paul Cozzi	NF	no factor TF: 74-75
2015-04-24	Bob Schulien	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
2011-04-03	rduerr	NF	no factor TF: 70-71
2009-11-10	Grant McCracken	NF	no factor TF: 69-70
2009-11-10	Grant McCracken	NF	no factor TF: 68-69