332 385 959 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 =	2995000
B2 =	76372500

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2022-10-17	William Wallace	99782506953510DB	79573751	1	3

History

Date	User	Type	Result
2024-03-08	Grant McCracken	NF	no factor TF: 68-69
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-13	Mark Rose	NF	no factor TF: 80-81
2023-03-06	Kriesel	CERT	Proof certified good
2022-10-17	William Wallace	C-PRP	99782506953510DB Proof Certified Good Proof Power: 9
2021-05-22	Kriesel	NF	no factor TF: 79-80
2015-12-24	aurashift	NF-PM1	B1=2995000, B2=76372500, E=6
2015-12-16	NR	NF	no factor TF: 78-79
2015-12-16	NR	NF	no factor TF: 77-78
2015-12-16	NR	NF	no factor TF: 76-77
2011-03-05	ekrumme	NF	no factor TF: 75-76
2011-02-06	ekrumme	NF	no factor TF: 74-75
2011-01-31	ekrumme	NF	no factor TF: 73-74
2011-01-27	ekrumme	NF	no factor TF: 72-73
2011-01-25	ekrumme	NF	no factor TF: 71-72
2011-01-11	Grant McCracken	NF	no factor TF: 70-71
2009-07-06	unconnected	NF	no factor TF: 69-70
2009-07-06	unconnected	NF	no factor TF: 68-69