332 241 289 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 =	2920000
B2 =	67890000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2022-11-04	Simon Josefsson	3DDC1C3185CB106E	217439565	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-11	Mark Rose	NF	no factor TF: 80-81
2022-11-10	Naegi Makoto	CERT	Proof certified good
2022-11-04	Simon Josefsson	C-PRP	3DDC1C3185CB106E Proof Certified Good Proof Power: 7
2020-08-09	Runtime Error	NF	no factor TF: 79-80
2020-08-08	el grocco	NF	no factor TF: 78-79
2018-06-12	Xamax	NF-PM1	B1=2920000, B2=67890000
2015-11-23	srow7	NF	no factor TF: 77-78
2015-11-08	srow7	NF	no factor TF: 76-77
2012-01-10	Oleg	NF	no factor TF: 75-76
2011-12-20	Oleg	NF	no factor TF: 74-75
2011-05-15	Christian Geschwentner	NF	no factor TF: 73-74
2011-04-28	Christian Geschwentner	NF	no factor TF: 72-73
2010-11-08	Team_Inspector	NF	no factor TF: 71-72
2009-09-17	Team_Inspector	NF	no factor TF: 70-71
2009-05-19	Team_Inspector	NF	no factor TF: 69-70
2009-02-04	Team_Inspector	NF	no factor TF: 68-69