332 247 427 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 =	2965000
B2 =	77090000

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	Certified Good Power=7	2022-04-25	Simon Josefsson	A84AEECAF99A44B6	251528202	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
2022-05-14	Kriesel	CERT	Proof certified good
2022-04-25	Simon Josefsson	C-PRP	A84AEECAF99A44B6 Proof Certified Good Proof Power: 7
2020-08-09	el grocco	NF	no factor TF: 78-79
2018-08-29	Yuval Steuer	NF-PM1	B1=2965000, B2=77090000
2013-11-04	electron1897	NF	no factor TF: 77-78
2013-11-04	electron1897	NF	no factor TF: 76-77
2013-11-04	electron1897	NF	no factor TF: 75-76
2013-05-25	Team_Inspector	NF	no factor TF: 74-75
2011-08-26	Team_Inspector	NF	no factor TF: 73-74
2011-07-20	Team_Inspector	NF	no factor TF: 72-73
2011-04-24	Christian Geschwentner	NF	no factor TF: 71-72
2010-09-30	Team_Inspector	NF	no factor TF: 70-71
2009-03-23	Team_Inspector	NF	no factor TF: 69-70
2009-02-19	Team_Inspector	NF	no factor TF: 68-69