332 231 087 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 =	4420000
B2 =	4420000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2022-02-01	Simon Josefsson	771EAF77A7F3583E	189067933	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
2022-02-04	techn1ciaN	CERT	Proof certified good
2022-02-01	Simon Josefsson	C-PRP	771EAF77A7F3583E Proof Certified Good Proof Power: 7
2020-08-05	el grocco	NF	no factor TF: 78-79
2015-10-16	Dr. Erhard Henkes	NF-PM1	B1=4420000
2015-08-24	srow7	NF	no factor TF: 77-78
2015-08-15	srow7	NF	no factor TF: 76-77
2012-12-29	Team_Inspector	NF	no factor TF: 75-76
2011-04-17	Christian Geschwentner	NF	no factor TF: 74-75
2010-10-01	Team_Inspector	NF	no factor TF: 73-74
2010-09-25	Team_Inspector	NF	no factor TF: 72-73
2010-09-22	Team_Inspector	NF	no factor TF: 71-72
2010-09-21	Team_Inspector	NF	no factor TF: 70-71
2009-08-24	Team_Inspector	NF	no factor TF: 69-70
2009-05-06	Team_Inspector	NF	no factor TF: 68-69