332 258 461 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Tested as composite (unverified): 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
Unverified	PRP without proof (not generated)	2018-09-26	endless_mike	69DFE823A46A12__	171452527	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
2018-09-26	endless_mike	C-PRP	69DFE823A46A12__
2018-05-10	endless_mike	NF-PM1	B1=3910000
2013-10-30	Bill Staffen	NF	no factor TF: 78-79
2013-10-29	Bill Staffen	NF	no factor TF: 77-78
2013-10-29	Bill Staffen	NF	no factor TF: 76-77
2013-02-26	FreelancerJ	NF	no factor TF: 75-76
2013-01-10	LaurV	NF	no factor TF: 74-75
2011-09-10	Team_Inspector	NF	no factor TF: 73-74
2011-04-06	Team_Inspector	NF	no factor TF: 72-73
2011-04-03	Team_Inspector	NF	no factor TF: 71-72
2011-02-22	Christian Geschwentner	NF	no factor TF: 70-71
2009-09-18	Team_Inspector	NF	no factor TF: 69-70
2009-05-21	Team_Inspector	NF	no factor TF: 68-69