332 312 371 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 =	2394000
B2 =	86679000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2021-03-01	Simon Josefsson	6E950FF66FC4838C	31377200	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-22	Mark Rose	NF	no factor TF: 80-81
2023-03-22	Mark Rose	NF	no factor TF: 79-80
2021-03-02	Xie Shiquan	CERT	Proof certified good
2021-03-01	Simon Josefsson	C-PRP	6E950FF66FC4838C Proof Certified Good Proof Power: 7
2020-12-31	Simon Josefsson	NF-PM1	B1=2394000, B2=86679000
2020-09-20	LOBES	NF	no factor TF: 78-79
2020-09-20	LOBES	NF	no factor TF: 77-78
2020-07-29	el grocco	NF	no factor TF: 76-77
2014-04-20	Spiros Mitropoylos	NF	no factor TF: 75-76
2013-12-25	Spiros Mitropoylos	NF	no factor TF: 74-75
2013-08-08	Team_Inspector	NF	no factor TF: 73-74
2013-01-15	LaurV	NF	no factor TF: 72-73
2012-03-06	Grant McCracken	NF	no factor TF: 71-72
2011-06-28	Grant McCracken	NF	no factor TF: 70-71
2010-06-04	Sunfish	NF	no factor TF: 69-70
2009-08-16	Team_Inspector	NF	no factor TF: 68-69