332 669 419 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 =	2611000
B2 =	101561000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2021-05-19	Chelle	E4D1993B3A639C14	314976188	1	3

History

Date	User	Type	Result
2023-03-25	Mark Rose	NF	no factor TF: 80-81
2023-03-12	Mark Rose	NF	no factor TF: 79-80
2023-02-25	Mark Rose	NF	no factor TF: 78-79
2023-02-25	Mark Rose	NF	no factor TF: 77-78
2021-05-19	Ben Delo	CERT	Proof certified good
2021-05-19	Chelle	C-PRP	E4D1993B3A639C14 Proof Certified Good Proof Power: 8
2021-04-16	Chelle	NF-PM1	B1=2611000, B2=101561000
2020-10-09	Architects Cubed	NF	no factor TF: 76-77
2020-06-08	el grocco	NF	no factor TF: 75-76
2016-03-25	srow7	NF	no factor TF: 74-75
2015-07-20	James Heinrich	NF	no factor TF: 73-74
2013-09-21	america64	NF	no factor TF: 72-73
2013-03-11	LaurV	NF	no factor TF: 71-72
2012-03-27	LaurV	NF	no factor TF: 70-71
2011-04-03	rduerr	NF	no factor TF: 69-70
2010-12-16	Grant McCracken	NF	no factor TF: 68-69
2010-04-22	Grant McCracken	NF	no factor TF: 67-68
2010-04-22	Grant McCracken	NF	no factor TF: 66-67