332 261 641 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 =	1564000
B2 =	354419940

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=9	2020-12-18	Xebecer	56C12D1DC8254E82	0	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-02-06	Mark Rose	NF-PM1	B1=1564000, B2=354419940
2023-02-01	Mark Rose	NF	no factor TF: 80-81
2023-02-01	Mark Rose	NF	no factor TF: 79-80
2021-01-12	Ben Delo	CERT	Proof certified good
2020-12-18	Xebecer	C-PRP	Proof Certified Good Proof Power: 9
2020-08-15	el grocco	NF	no factor TF: 78-79
2020-06-14	Runtime Error	NF	no factor TF: 77-78
2015-11-10	srow7	NF	no factor TF: 76-77
2011-07-03	Sebastian Hornbostel	NF	no factor TF: 75-76
2011-07-01	Sebastian Hornbostel	NF	no factor TF: 74-75
2011-06-26	Christian Geschwentner	NF	no factor TF: 73-74
2011-06-21	Team_Inspector	NF	no factor TF: 72-73
2011-06-01	Grant McCracken	NF	no factor TF: 71-72
2011-02-10	kurly	NF	no factor TF: 70-71
2009-10-13	Team_Inspector	NF	no factor TF: 69-70
2009-05-18	Team_Inspector	NF	no factor TF: 68-69