332 290 121 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 =	4305000
B2 =	4305000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2022-06-10	Simon Josefsson	54853463FFCF85DF	90525766	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
2022-07-07	Jan S.	CERT	Proof certified good
2022-06-10	Simon Josefsson	C-PRP	54853463FFCF85DF Proof Certified Good Proof Power: 7
2020-08-26	el grocco	NF	no factor TF: 78-79
2017-05-18	PhP71	NF-PM1	B1=4305000
2015-11-28	srow7	NF	no factor TF: 77-78
2015-11-18	srow7	NF	no factor TF: 76-77
2010-07-18	rlake	NF	no factor TF: 75-76
2010-01-02	vats09	NF	no factor TF: 74-75
2009-12-28	vats09	NF	no factor TF: 73-74
2009-12-28	vats09	NF	no factor TF: 72-73
2009-12-24	vats09	NF	no factor TF: 71-72
2009-12-24	vats09	NF	no factor TF: 70-71
2009-12-23	vats09	NF	no factor TF: 69-70
2009-08-27	Team_Inspector	NF	no factor TF: 68-69