332 256 997 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime

No factors below 2⁸¹

TF target 2⁸¹

P-1

B1 =	3910000
B2 =	3910000

Status	Proof	Date	User	Residue	Shift	Type	Base
Reliable	PRP without proof (not generated)	2021-01-07	Gaelwynn	645A4B61430A2F__	242356601	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-20	Mark Rose	NF	no factor TF: 80-81
2023-03-20	Mark Rose	NF	no factor TF: 79-80
2021-01-07	Gaelwynn	C-PRP	645A4B61430A2F__
2020-08-17	Gaelwynn	NF-PM1	B1=3910000
2020-08-11	el grocco	NF	no factor TF: 78-79
2020-06-10	Team_Inspector	NF	no factor TF: 77-78
2011-03-18	Tom Duell	NF	no factor TF: 76-77
2011-03-18	Tom Duell	NF	no factor TF: 75-76
2011-03-18	Tom Duell	NF	no factor TF: 74-75
2011-03-18	Tom Duell	NF	no factor TF: 73-74
2011-03-13	Team_Inspector	NF	no factor TF: 72-73
2011-03-10	Team_Inspector	NF	no factor TF: 71-72
2011-01-28	Team_Inspector	NF	no factor TF: 70-71
2009-06-08	Team_Inspector	NF	no factor TF: 69-70
2009-03-14	Team_Inspector	NF	no factor TF: 68-69