332 221 601 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 =	3073951
B2 =	70380000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2022-12-29	Simon Josefsson	B8C29AA0528D6E46	133398951	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-14	Mark Rose	NF	no factor TF: 80-81
2023-03-14	Mark Rose	NF	no factor TF: 79-80
2023-01-07	Torchwood Institute	CERT	Proof certified good
2022-12-29	Simon Josefsson	C-PRP	B8C29AA0528D6E46 Proof Certified Good Proof Power: 7
2020-08-05	el grocco	NF	no factor TF: 78-79
2015-10-27	Jean Jung	NF-PM1	B1=3073951, B2=70380000
2015-08-11	srow7	NF	no factor TF: 77-78
2015-08-10	srow7	NF	no factor TF: 76-77
2011-04-08	Sebastian Hornbostel	NF	no factor TF: 75-76
2011-04-01	Christian Geschwentner	NF	no factor TF: 74-75
2010-08-11	Team_Inspector	NF	no factor TF: 73-74
2010-07-11	Team_Inspector	NF	no factor TF: 72-73
2010-04-05	Team_Inspector	NF	no factor TF: 71-72
2009-08-25	Team_Inspector	NF	no factor TF: 70-71
2009-07-30	Team_Inspector	NF	no factor TF: 69-70
2008-12-12	Team_Inspector	NF	no factor TF: 68-69