332 675 881 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 =	2610000
B2 =	101504000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2021-06-20	Simon Josefsson	E9B6463280CBB7DA	47727520	1	3

History

Date	User	Type	Result
2023-03-25	Mark Rose	NF	no factor TF: 80-81
2023-03-13	Mark Rose	NF	no factor TF: 79-80
2023-02-26	Mark Rose	NF	no factor TF: 78-79
2023-02-26	Mark Rose	NF	no factor TF: 77-78
2021-06-23	Coff	CERT	Proof certified good
2021-06-20	Simon Josefsson	C-PRP	Proof Certified Good Proof Power: 7
2021-04-23	Simon Josefsson	NF-PM1	B1=2610000, B2=101504000
2020-10-21	el grocco	NF	no factor TF: 76-77
2020-06-08	el grocco	NF	no factor TF: 75-76
2016-03-27	srow7	NF	no factor TF: 74-75
2015-07-10	srow7	NF	no factor TF: 73-74
2014-02-25	Team_Inspector	NF	no factor TF: 72-73
2013-03-11	LaurV	NF	no factor TF: 71-72
2013-01-30	LaurV	NF	no factor TF: 70-71
2012-07-10	LaurV	NF	no factor TF: 69-70
2012-04-12	LaurV	NF	no factor TF: 67-69
2010-11-02	Team_Inspector	NF	no factor TF: 66-67