332 225 249 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 =	2800000
B2 =	63000000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=8	2021-12-24	Chelle	7CE454C2A8465DCD	155476254	1	3

History

Date	User	Type	Result
2023-10-18	James Heinrich	NF	no factor TF: 67-68
2023-03-15	Mark Rose	NF	no factor TF: 80-81
2023-03-15	Mark Rose	NF	no factor TF: 79-80
2022-01-03	Kriesel	CERT	Proof certified good
2021-12-24	Chelle	C-PRP	7CE454C2A8465DCD Proof Certified Good Proof Power: 8
2017-10-16	AriRobinson	NF-PM1	B1=2800000, B2=63000000
2011-04-21	TheJudger	NF	no factor TF: 78-79
2011-04-21	TheJudger	NF	no factor TF: 77-78
2011-04-21	TheJudger	NF	no factor TF: 76-77
2011-04-21	TheJudger	NF	no factor TF: 75-76
2011-04-06	Christian Geschwentner	NF	no factor TF: 74-75
2010-08-07	Team_Inspector	NF	no factor TF: 73-74
2010-08-01	Team_Inspector	NF	no factor TF: 72-73
2010-07-28	Team_Inspector	NF	no factor TF: 71-72
2010-02-13	Grant McCracken	NF	no factor TF: 70-71
2009-03-09	Team_Inspector	NF	no factor TF: 69-70
2008-12-25	Team_Inspector	NF	no factor TF: 68-69