332 202 571 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 =	2393000
B2 =	83903000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2022-12-04	Noodles	4E17A53DD7C2D4C7	205887423	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-16	Mark Rose	NF	no factor TF: 80-81
2023-03-16	Mark Rose	NF	no factor TF: 79-80
2022-12-12	Jan S.	CERT	Proof certified good
2022-12-04	Noodles	C-PRP	4E17A53DD7C2D4C7 Proof Certified Good Proof Power: 8
2022-09-15	Noodles	NF-PM1	B1=2393000, B2=83903000
2022-08-19	Team_Inspector	NF	no factor TF: 78-79
2019-12-06	MadPoo 🙂	NF-PM1	B1=100000, B2=1000000
2019-04-24	MadPoo 🙂	NF-PM1	B1=100000
2015-06-05	srow7	NF	no factor TF: 77-78
2014-09-30	Team_Inspector	NF	no factor TF: 76-77
2010-09-21	MRH	NF	no factor TF: 75-76
2009-01-18	zetagrid	NF	no factor TF: 74-75
2009-01-12	zetagrid	NF	no factor TF: 73-74
2009-01-07	zetagrid	NF	no factor TF: 72-73
2009-01-05	zetagrid	NF	no factor TF: 71-72
2009-01-05	zetagrid	NF	no factor TF: 70-71
2008-11-18	Team_Inspector	NF	no factor TF: 69-70
2008-11-18	Team_Inspector	NF	no factor TF: 68-69