332 206 169 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 =	2763000
B2 =	1829167620

Status	Proof	Date	User	Residue	Shift	Type	Base
Verified	PRP without proof (not generated)	2022-11-01	Roman O. Vorobiev	85EE240959778DA4	295997280	1	3
Verified	Certified Good Power=11	2025-05-12	Kriesel	85EE240959778DA4	0	1	3

History

Date	User	Type	Result
2025-05-12	Chuck	CERT	Proof certified good
2025-05-12	Kriesel	C-PRP	Proof Certified Good Proof Power: 11
2024-03-23	Kriesel	NF-PM1	B1=2763000, B2=1829167620
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
2022-11-01	Roman O. Vorobiev	C-PRP	85EE240959778DA4
2018-04-02	Roman O. Vorobiev	NF-PM1	B1=3910000
2010-11-20	TheJudger	NF	no factor TF: 78-79
2010-11-20	TheJudger	NF	no factor TF: 77-78
2010-11-20	TheJudger	NF	no factor TF: 76-77
2010-11-20	TheJudger	NF	no factor TF: 75-76
2009-01-20	bits'n'bytes	NF	no factor TF: 74-75
2009-01-11	bits'n'bytes	NF	no factor TF: 73-74
2008-11-06	Misinformed DNA	NF	no factor TF: 72-73
2008-11-04	Misinformed DNA	NF	no factor TF: 71-72
2008-11-03	Misinformed DNA	NF	no factor TF: 70-71
2008-11-03	Misinformed DNA	NF	no factor TF: 69-70
2008-11-03	Misinformed DNA	NF	no factor TF: 68-69