332 631 881 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 =	13500000
B2 =	405000000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2021-05-01	Xebecer	967D00357CA2A2C4	0	1	3

History

Date	User	Type	Result
2023-03-25	Mark Rose	NF	no factor TF: 80-81
2023-03-10	Mark Rose	NF	no factor TF: 79-80
2023-03-01	Mark Rose	NF	no factor TF: 78-79
2023-03-01	Mark Rose	NF	no factor TF: 77-78
2021-05-01	Ben Delo	CERT	Proof certified good
2021-05-01	Xebecer	C-PRP	967D00357CA2A2C4 Proof Certified Good Proof Power: 9
2021-05-01	Xebecer	NF-PM1	B1=13500000, B2=405000000
2020-10-13	bayanne	NF	no factor TF: 76-77
2020-06-15	Team_Inspector	NF	no factor TF: 75-76
2016-03-02	srow7	NF	no factor TF: 74-75
2015-07-20	James Heinrich	NF	no factor TF: 73-74
2013-12-19	LaurV	NF	no factor TF: 72-73
2013-03-09	LaurV	NF	no factor TF: 71-72
2013-01-29	LaurV	NF	no factor TF: 70-71
2012-03-29	LaurV	NF	no factor TF: 69-70
2012-03-29	LaurV	NF	no factor TF: 67-69
2010-06-09	Grant McCracken	NF	no factor TF: 66-67