332 291 761 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	2020-10-04	Albrecht Heeffer	E9A56655518AE117	0	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-21	Mark Rose	NF	no factor TF: 80-81
2023-03-21	Mark Rose	NF	no factor TF: 79-80
2020-10-05	Ben Delo	CERT	Proof certified good
2020-10-04	Albrecht Heeffer	C-PRP	E9A56655518AE117 Proof Certified Good Proof Power: 8
2020-09-20	Albrecht Heeffer	NF-PM1	B1=1000000, B2=30000000
2020-08-26	el grocco	NF	no factor TF: 78-79
2020-08-04	el grocco	NF	no factor TF: 77-78
2019-02-19	srow7	NF	no factor TF: 76-77
2014-12-31	Jacques MOLNE	NF	no factor TF: 75-76
2013-10-08	Team_Inspector	NF	no factor TF: 74-75
2013-02-13	rmntkachyk	NF	no factor TF: 73-74
2013-01-13	LaurV	NF	no factor TF: 72-73
2012-02-21	Team_Inspector	NF	no factor TF: 71-72
2011-07-11	Grant McCracken	NF	no factor TF: 70-71
2009-06-19	Team_Inspector	NF	no factor TF: 69-70
2009-06-19	Team_Inspector	NF	no factor TF: 68-69