332 243 741 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 =	4660000
B2 =	4660000

Status	Proof	Date	User	Residue	Shift	Type	Base
Unverified	PRP without proof (not generated)	2019-07-04	Nmbarek	7227F7D5C3BCB3__	243574711	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-18	Mark Rose	NF	no factor TF: 80-81
2023-03-18	Mark Rose	NF	no factor TF: 79-80
2023-02-21	Mark Rose	NF	no factor TF: 78-79
2021-04-07	Random GPUs	NF	no factor TF: 77-78
2019-07-04	Nmbarek	C-PRP	7227F7D5C3BCB3__
2018-08-27	Nmbarek	NF-PM1	B1=4660000
2011-02-01	Tom Duell	NF	no factor TF: 76-77
2011-02-01	Tom Duell	NF	no factor TF: 75-76
2011-02-01	Tom Duell	NF	no factor TF: 74-75
2011-01-23	Team_Inspector	NF	no factor TF: 73-74
2011-01-20	Team_Inspector	NF	no factor TF: 72-73
2011-01-15	Team_Inspector	NF	no factor TF: 71-72
2010-09-24	Team_Inspector	NF	no factor TF: 70-71
2009-06-11	Team_Inspector	NF	no factor TF: 69-70
2009-02-09	Team_Inspector	NF	no factor TF: 68-69