332 697 173 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 =	2612000
B2 =	101570000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2021-07-04	Simon Josefsson	0928CE2E94D8985D	56915190	1	3

History

Date	User	Type	Result
2023-03-26	Mark Rose	NF	no factor TF: 80-81
2023-03-14	Mark Rose	NF	no factor TF: 79-80
2023-02-27	Mark Rose	NF	no factor TF: 78-79
2023-02-27	Mark Rose	NF	no factor TF: 77-78
2021-07-05	xyuzyz	CERT	Proof certified good
2021-07-04	Simon Josefsson	C-PRP	Proof Certified Good Proof Power: 7
2021-05-05	Simon Josefsson	NF-PM1	B1=2612000, B2=101570000
2020-10-21	el grocco	NF	no factor TF: 76-77
2020-06-18	bayanne	NF	no factor TF: 75-76
2016-04-04	srow7	NF	no factor TF: 74-75
2015-07-18	srow7	NF	no factor TF: 73-74
2014-02-19	bayanne	NF	no factor TF: 72-73
2013-03-13	LaurV	NF	no factor TF: 71-72
2013-01-31	LaurV	NF	no factor TF: 70-71
2012-07-15	LaurV	NF	no factor TF: 69-70
2012-04-12	LaurV	NF	no factor TF: 67-69
2010-11-12	Team_Inspector	NF	no factor TF: 66-67