332 235 427 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 =	1000000
B2 =	30000000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2020-09-07	Albrecht Heeffer	F1981BDDEC478025	0	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-17	Mark Rose	NF	no factor TF: 80-81
2023-03-17	Mark Rose	NF	no factor TF: 79-80
2020-09-07	Ben Delo	CERT	Proof certified good
2020-09-07	Albrecht Heeffer	C-PRP	F1981BDDEC478025 Proof Certified Good Proof Power: 8
2020-08-24	Albrecht Heeffer	NF-PM1	B1=1000000, B2=30000000
2020-08-07	Team_Inspector	NF	no factor TF: 78-79
2020-05-13	Team_Inspector	NF	no factor TF: 77-78
2015-10-12	srow7	NF	no factor TF: 76-77
2011-02-05	Sebastian Hornbostel	NF	no factor TF: 75-76
2009-06-26	IanSaint	NF	no factor TF: 74-75
2009-05-20	IanSaint	NF	no factor TF: 73-74
2009-05-10	IanSaint	NF	no factor TF: 72-73
2009-05-06	IanSaint	NF	no factor TF: 71-72
2009-05-05	IanSaint	NF	no factor TF: 70-71
2009-04-26	Team_Inspector	NF	no factor TF: 69-70
2009-01-23	Team_Inspector	NF	no factor TF: 68-69